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Finding the Fourth Proportional to 571,411.30, 801,634.70 and 571,411.30

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Solution

The fourth proportional to 571,411.30, 801,634.70 and 571,411.30 is: 801,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,411.30 : 801,634.70 = 571,411.30 : x
  2. Step 2: Convert to fraction form
    571,411.30/801,634.70 = 571,411.30/x
  3. Step 3: Cross multiply
    571,411.30x = 801,634.70 × 571,411.30
  4. Step 4: Simplify right side
    571,411.30x = 458,063,126,052.11
  5. Step 5: Solve for x
    x = 458,063,126,052.11/571,411.30
  6. Step 6: Final answer
    x = 801,634.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.