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Finding the Fourth Proportional to 275,417.76, 412,084.08 and 163,158.24

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Solution

The fourth proportional to 275,417.76, 412,084.08 and 163,158.24 is: 244,119.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,417.76 : 412,084.08 = 163,158.24 : x
  2. Step 2: Convert to fraction form
    275,417.76/412,084.08 = 163,158.24/x
  3. Step 3: Cross multiply
    275,417.76x = 412,084.08 × 163,158.24
  4. Step 4: Simplify right side
    275,417.76x = 67,234,913,224.82
  5. Step 5: Solve for x
    x = 67,234,913,224.82/275,417.76
  6. Step 6: Final answer
    x = 244,119.74

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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.