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Finding the Fourth Proportional to 5,073,640.29, 7,609,650.29 and 1,478,566.40

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Solution

The fourth proportional to 5,073,640.29, 7,609,650.29 and 1,478,566.40 is: 2,217,613.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,073,640.29 : 7,609,650.29 = 1,478,566.40 : x
  2. Step 2: Convert to fraction form
    5,073,640.29/7,609,650.29 = 1,478,566.40/x
  3. Step 3: Cross multiply
    5,073,640.29x = 7,609,650.29 × 1,478,566.40
  4. Step 4: Simplify right side
    5,073,640.29x = 11,251,373,189,103.17
  5. Step 5: Solve for x
    x = 11,251,373,189,103.17/5,073,640.29
  6. Step 6: Final answer
    x = 2,217,613.50

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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.