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Finding the Fourth Proportional to 704,892.43, 972,725.38 and 382,595.59

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Solution

The fourth proportional to 704,892.43, 972,725.38 and 382,595.59 is: 527,967.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,892.43 : 972,725.38 = 382,595.59 : x
  2. Step 2: Convert to fraction form
    704,892.43/972,725.38 = 382,595.59/x
  3. Step 3: Cross multiply
    704,892.43x = 972,725.38 × 382,595.59
  4. Step 4: Simplify right side
    704,892.43x = 372,160,437,280.77
  5. Step 5: Solve for x
    x = 372,160,437,280.77/704,892.43
  6. Step 6: Final answer
    x = 527,967.71

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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.