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Finding the Fourth Proportional to 704,727.63, 972,524.73 and 382,437.72

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Solution

The fourth proportional to 704,727.63, 972,524.73 and 382,437.72 is: 527,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,727.63 : 972,524.73 = 382,437.72 : x
  2. Step 2: Convert to fraction form
    704,727.63/972,524.73 = 382,437.72/x
  3. Step 3: Cross multiply
    704,727.63x = 972,524.73 × 382,437.72
  4. Step 4: Simplify right side
    704,727.63x = 371,930,140,384.82
  5. Step 5: Solve for x
    x = 371,930,140,384.82/704,727.63
  6. Step 6: Final answer
    x = 527,764.38

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Double scale
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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.