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Finding the Fourth Proportional to 584,616.81, 806,773.63 and 316,344.81

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Solution

The fourth proportional to 584,616.81, 806,773.63 and 316,344.81 is: 436,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,616.81 : 806,773.63 = 316,344.81 : x
  2. Step 2: Convert to fraction form
    584,616.81/806,773.63 = 316,344.81/x
  3. Step 3: Cross multiply
    584,616.81x = 806,773.63 × 316,344.81
  4. Step 4: Simplify right side
    584,616.81x = 255,218,650,695.36
  5. Step 5: Solve for x
    x = 255,218,650,695.36/584,616.81
  6. Step 6: Final answer
    x = 436,557.15

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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.