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Finding the Fourth Proportional to 275,025.60, 412,472.88 and 155,134.08

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Solution

The fourth proportional to 275,025.60, 412,472.88 and 155,134.08 is: 232,664.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,025.60 : 412,472.88 = 155,134.08 : x
  2. Step 2: Convert to fraction form
    275,025.60/412,472.88 = 155,134.08/x
  3. Step 3: Cross multiply
    275,025.60x = 412,472.88 × 155,134.08
  4. Step 4: Simplify right side
    275,025.60x = 63,988,600,763.75
  5. Step 5: Solve for x
    x = 63,988,600,763.75/275,025.60
  6. Step 6: Final answer
    x = 232,664.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.