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Finding the Fourth Proportional to 706,354.36, 974,761.68 and 525,873.40

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Solution

The fourth proportional to 706,354.36, 974,761.68 and 525,873.40 is: 725,699.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,354.36 : 974,761.68 = 525,873.40 : x
  2. Step 2: Convert to fraction form
    706,354.36/974,761.68 = 525,873.40/x
  3. Step 3: Cross multiply
    706,354.36x = 974,761.68 × 525,873.40
  4. Step 4: Simplify right side
    706,354.36x = 512,601,238,386.43
  5. Step 5: Solve for x
    x = 512,601,238,386.43/706,354.36
  6. Step 6: Final answer
    x = 725,699.83

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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.