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Finding the Fourth Proportional to 584,837.76, 807,078.66 and 316,565.76

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Solution

The fourth proportional to 584,837.76, 807,078.66 and 316,565.76 is: 436,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,837.76 : 807,078.66 = 316,565.76 : x
  2. Step 2: Convert to fraction form
    584,837.76/807,078.66 = 316,565.76/x
  3. Step 3: Cross multiply
    584,837.76x = 807,078.66 × 316,565.76
  4. Step 4: Simplify right side
    584,837.76x = 255,493,469,382.68
  5. Step 5: Solve for x
    x = 255,493,469,382.68/584,837.76
  6. Step 6: Final answer
    x = 436,862.13

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1.5x scale

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.