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Finding the Fourth Proportional to 706,122.50, 974,451.26 and 383,833.62

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Solution

The fourth proportional to 706,122.50, 974,451.26 and 383,833.62 is: 529,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,122.50 : 974,451.26 = 383,833.62 : x
  2. Step 2: Convert to fraction form
    706,122.50/974,451.26 = 383,833.62/x
  3. Step 3: Cross multiply
    706,122.50x = 974,451.26 × 383,833.62
  4. Step 4: Simplify right side
    706,122.50x = 374,027,155,598.95
  5. Step 5: Solve for x
    x = 374,027,155,598.95/706,122.50
  6. Step 6: Final answer
    x = 529,691.60

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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.