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Finding the Fourth Proportional to 423,582.60, 584,505.90 and 232,591.80

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Solution

The fourth proportional to 423,582.60, 584,505.90 and 232,591.80 is: 320,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,582.60 : 584,505.90 = 232,591.80 : x
  2. Step 2: Convert to fraction form
    423,582.60/584,505.90 = 232,591.80/x
  3. Step 3: Cross multiply
    423,582.60x = 584,505.90 × 232,591.80
  4. Step 4: Simplify right side
    423,582.60x = 135,951,279,391.62
  5. Step 5: Solve for x
    x = 135,951,279,391.62/423,582.60
  6. Step 6: Final answer
    x = 320,955.77

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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.