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Finding the Fourth Proportional to 402,280.92, 555,086.02 and 232,482.28

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Solution

The fourth proportional to 402,280.92, 555,086.02 and 232,482.28 is: 320,789.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,280.92 : 555,086.02 = 232,482.28 : x
  2. Step 2: Convert to fraction form
    402,280.92/555,086.02 = 232,482.28/x
  3. Step 3: Cross multiply
    402,280.92x = 555,086.02 × 232,482.28
  4. Step 4: Simplify right side
    402,280.92x = 129,047,663,525.73
  5. Step 5: Solve for x
    x = 129,047,663,525.73/402,280.92
  6. Step 6: Final answer
    x = 320,789.92

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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.