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Finding the Fourth Proportional to 807,883.92, 1,114,469.82 and 616,565.16

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Solution

The fourth proportional to 807,883.92, 1,114,469.82 and 616,565.16 is: 850,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,883.92 : 1,114,469.82 = 616,565.16 : x
  2. Step 2: Convert to fraction form
    807,883.92/1,114,469.82 = 616,565.16/x
  3. Step 3: Cross multiply
    807,883.92x = 1,114,469.82 × 616,565.16
  4. Step 4: Simplify right side
    807,883.92x = 687,143,262,883.47
  5. Step 5: Solve for x
    x = 687,143,262,883.47/807,883.92
  6. Step 6: Final answer
    x = 850,547.02

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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.