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Finding the Fourth Proportional to 706,069.22, 974,351.67 and 404,204.90

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Solution

The fourth proportional to 706,069.22, 974,351.67 and 404,204.90 is: 557,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,069.22 : 974,351.67 = 404,204.90 : x
  2. Step 2: Convert to fraction form
    706,069.22/974,351.67 = 404,204.90/x
  3. Step 3: Cross multiply
    706,069.22x = 974,351.67 × 404,204.90
  4. Step 4: Simplify right side
    706,069.22x = 393,837,719,337.18
  5. Step 5: Solve for x
    x = 393,837,719,337.18/706,069.22
  6. Step 6: Final answer
    x = 557,789.11

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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.