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Finding the Fourth Proportional to 582,551.60, 872,077.80 and 345,772.40

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Solution

The fourth proportional to 582,551.60, 872,077.80 and 345,772.40 is: 517,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,551.60 : 872,077.80 = 345,772.40 : x
  2. Step 2: Convert to fraction form
    582,551.60/872,077.80 = 345,772.40/x
  3. Step 3: Cross multiply
    582,551.60x = 872,077.80 × 345,772.40
  4. Step 4: Simplify right side
    582,551.60x = 301,540,433,892.72
  5. Step 5: Solve for x
    x = 301,540,433,892.72/582,551.60
  6. Step 6: Final answer
    x = 517,620.13

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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.