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Finding the Fourth Proportional to 586,327.20, 879,490.80 and 551,335.20

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Solution

The fourth proportional to 586,327.20, 879,490.80 and 551,335.20 is: 827,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,327.20 : 879,490.80 = 551,335.20 : x
  2. Step 2: Convert to fraction form
    586,327.20/879,490.80 = 551,335.20/x
  3. Step 3: Cross multiply
    586,327.20x = 879,490.80 × 551,335.20
  4. Step 4: Simplify right side
    586,327.20x = 484,894,236,116.16
  5. Step 5: Solve for x
    x = 484,894,236,116.16/586,327.20
  6. Step 6: Final answer
    x = 827,002.80

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Similar ratio
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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.