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Finding the Fourth Proportional to 704,858.25, 972,678.36 and 382,561.42

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Solution

The fourth proportional to 704,858.25, 972,678.36 and 382,561.42 is: 527,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,858.25 : 972,678.36 = 382,561.42 : x
  2. Step 2: Convert to fraction form
    704,858.25/972,678.36 = 382,561.42/x
  3. Step 3: Cross multiply
    704,858.25x = 972,678.36 × 382,561.42
  4. Step 4: Simplify right side
    704,858.25x = 372,109,214,604.87
  5. Step 5: Solve for x
    x = 372,109,214,604.87/704,858.25
  6. Step 6: Final answer
    x = 527,920.63

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Double scale
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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.