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Finding the Fourth Proportional to 706,040.68, 974,331.56 and 404,293

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Solution

The fourth proportional to 706,040.68, 974,331.56 and 404,293 is: 557,921.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,040.68 : 974,331.56 = 404,293 : x
  2. Step 2: Convert to fraction form
    706,040.68/974,331.56 = 404,293/x
  3. Step 3: Cross multiply
    706,040.68x = 974,331.56 × 404,293
  4. Step 4: Simplify right side
    706,040.68x = 393,915,429,387.08
  5. Step 5: Solve for x
    x = 393,915,429,387.08/706,040.68
  6. Step 6: Final answer
    x = 557,921.72

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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.