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Finding the Fourth Proportional to 567,146.52, 782,717.37 and 423,657.46

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Solution

The fourth proportional to 567,146.52, 782,717.37 and 423,657.46 is: 584,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,146.52 : 782,717.37 = 423,657.46 : x
  2. Step 2: Convert to fraction form
    567,146.52/782,717.37 = 423,657.46/x
  3. Step 3: Cross multiply
    567,146.52x = 782,717.37 × 423,657.46
  4. Step 4: Simplify right side
    567,146.52x = 331,604,052,872.08
  5. Step 5: Solve for x
    x = 331,604,052,872.08/567,146.52
  6. Step 6: Final answer
    x = 584,688.51

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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.