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Finding the Fourth Proportional to 423,098.76, 583,841.27 and 232,112.15

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Solution

The fourth proportional to 423,098.76, 583,841.27 and 232,112.15 is: 320,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,098.76 : 583,841.27 = 232,112.15 : x
  2. Step 2: Convert to fraction form
    423,098.76/583,841.27 = 232,112.15/x
  3. Step 3: Cross multiply
    423,098.76x = 583,841.27 × 232,112.15
  4. Step 4: Simplify right side
    423,098.76x = 135,516,650,983.28
  5. Step 5: Solve for x
    x = 135,516,650,983.28/423,098.76
  6. Step 6: Final answer
    x = 320,295.55

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1.5x scale

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.