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Finding the Fourth Proportional to 423,520.04, 584,458.80 and 232,545.80

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Solution

The fourth proportional to 423,520.04, 584,458.80 and 232,545.80 is: 320,913.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,520.04 : 584,458.80 = 232,545.80 : x
  2. Step 2: Convert to fraction form
    423,520.04/584,458.80 = 232,545.80/x
  3. Step 3: Cross multiply
    423,520.04x = 584,458.80 × 232,545.80
  4. Step 4: Simplify right side
    423,520.04x = 135,913,439,213.04
  5. Step 5: Solve for x
    x = 135,913,439,213.04/423,520.04
  6. Step 6: Final answer
    x = 320,913.83

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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.