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Finding the Fourth Proportional to 238,327.92, 328,895.24 and 130,900.46

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Solution

The fourth proportional to 238,327.92, 328,895.24 and 130,900.46 is: 180,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,327.92 : 328,895.24 = 130,900.46 : x
  2. Step 2: Convert to fraction form
    238,327.92/328,895.24 = 130,900.46/x
  3. Step 3: Cross multiply
    238,327.92x = 328,895.24 × 130,900.46
  4. Step 4: Simplify right side
    238,327.92x = 43,052,535,908.83
  5. Step 5: Solve for x
    x = 43,052,535,908.83/238,327.92
  6. Step 6: Final answer
    x = 180,644.11

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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.