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Finding the Fourth Proportional to 423,257.77, 584,112.54 and 232,278.04

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Solution

The fourth proportional to 423,257.77, 584,112.54 and 232,278.04 is: 320,552.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,257.77 : 584,112.54 = 232,278.04 : x
  2. Step 2: Convert to fraction form
    423,257.77/584,112.54 = 232,278.04/x
  3. Step 3: Cross multiply
    423,257.77x = 584,112.54 × 232,278.04
  4. Step 4: Simplify right side
    423,257.77x = 135,676,515,930.62
  5. Step 5: Solve for x
    x = 135,676,515,930.62/423,257.77
  6. Step 6: Final answer
    x = 320,552.92

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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.