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Finding the Fourth Proportional to 616,230.30, 924,345.45 and 521,751.90

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Solution

The fourth proportional to 616,230.30, 924,345.45 and 521,751.90 is: 782,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,230.30 : 924,345.45 = 521,751.90 : x
  2. Step 2: Convert to fraction form
    616,230.30/924,345.45 = 521,751.90/x
  3. Step 3: Cross multiply
    616,230.30x = 924,345.45 × 521,751.90
  4. Step 4: Simplify right side
    616,230.30x = 482,278,994,793.86
  5. Step 5: Solve for x
    x = 482,278,994,793.86/616,230.30
  6. Step 6: Final answer
    x = 782,627.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.