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Finding the Fourth Proportional to 704,891.76, 972,724.57 and 382,595.05

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Solution

The fourth proportional to 704,891.76, 972,724.57 and 382,595.05 is: 527,967.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,891.76 : 972,724.57 = 382,595.05 : x
  2. Step 2: Convert to fraction form
    704,891.76/972,724.57 = 382,595.05/x
  3. Step 3: Cross multiply
    704,891.76x = 972,724.57 × 382,595.05
  4. Step 4: Simplify right side
    704,891.76x = 372,159,605,495.38
  5. Step 5: Solve for x
    x = 372,159,605,495.38/704,891.76
  6. Step 6: Final answer
    x = 527,967.03

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Half scale
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Double scale
Find fourth proportional to 704,892.76, 972,725.95 and 382,596.05
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.