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Finding the Fourth Proportional to 466,531.92, 643,815 and 265,327.92

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Solution

The fourth proportional to 466,531.92, 643,815 and 265,327.92 is: 366,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,531.92 : 643,815 = 265,327.92 : x
  2. Step 2: Convert to fraction form
    466,531.92/643,815 = 265,327.92/x
  3. Step 3: Cross multiply
    466,531.92x = 643,815 × 265,327.92
  4. Step 4: Simplify right side
    466,531.92x = 170,822,094,814.80
  5. Step 5: Solve for x
    x = 170,822,094,814.80/466,531.92
  6. Step 6: Final answer
    x = 366,153.07

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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.