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Finding the Fourth Proportional to 400,535.96, 552,490.70 and 247,620.92

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Solution

The fourth proportional to 400,535.96, 552,490.70 and 247,620.92 is: 341,562.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,535.96 : 552,490.70 = 247,620.92 : x
  2. Step 2: Convert to fraction form
    400,535.96/552,490.70 = 247,620.92/x
  3. Step 3: Cross multiply
    400,535.96x = 552,490.70 × 247,620.92
  4. Step 4: Simplify right side
    400,535.96x = 136,808,251,424.89
  5. Step 5: Solve for x
    x = 136,808,251,424.89/400,535.96
  6. Step 6: Final answer
    x = 341,562.97

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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.