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Finding the Fourth Proportional to 582,612.17, 873,854.67 and 156,189.83

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Solution

The fourth proportional to 582,612.17, 873,854.67 and 156,189.83 is: 234,267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,612.17 : 873,854.67 = 156,189.83 : x
  2. Step 2: Convert to fraction form
    582,612.17/873,854.67 = 156,189.83/x
  3. Step 3: Cross multiply
    582,612.17x = 873,854.67 × 156,189.83
  4. Step 4: Simplify right side
    582,612.17x = 136,487,212,352.01
  5. Step 5: Solve for x
    x = 136,487,212,352.01/582,612.17
  6. Step 6: Final answer
    x = 234,267.70

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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.