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Finding the Fourth Proportional to 423,289.92, 584,120.84 and 232,299.52

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Solution

The fourth proportional to 423,289.92, 584,120.84 and 232,299.52 is: 320,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,289.92 : 584,120.84 = 232,299.52 : x
  2. Step 2: Convert to fraction form
    423,289.92/584,120.84 = 232,299.52/x
  3. Step 3: Cross multiply
    423,289.92x = 584,120.84 × 232,299.52
  4. Step 4: Simplify right side
    423,289.92x = 135,690,990,754.00
  5. Step 5: Solve for x
    x = 135,690,990,754.00/423,289.92
  6. Step 6: Final answer
    x = 320,562.77

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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.