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Finding the Fourth Proportional to 704,792.60, 972,614.28 and 382,502.69

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Solution

The fourth proportional to 704,792.60, 972,614.28 and 382,502.69 is: 527,853.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,792.60 : 972,614.28 = 382,502.69 : x
  2. Step 2: Convert to fraction form
    704,792.60/972,614.28 = 382,502.69/x
  3. Step 3: Cross multiply
    704,792.60x = 972,614.28 × 382,502.69
  4. Step 4: Simplify right side
    704,792.60x = 372,027,576,499.45
  5. Step 5: Solve for x
    x = 372,027,576,499.45/704,792.60
  6. Step 6: Final answer
    x = 527,853.98

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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.