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Finding the Fourth Proportional to 360,882.54, 498,005.10 and 199,737.90

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Solution

The fourth proportional to 360,882.54, 498,005.10 and 199,737.90 is: 275,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,882.54 : 498,005.10 = 199,737.90 : x
  2. Step 2: Convert to fraction form
    360,882.54/498,005.10 = 199,737.90/x
  3. Step 3: Cross multiply
    360,882.54x = 498,005.10 × 199,737.90
  4. Step 4: Simplify right side
    360,882.54x = 99,470,492,863.29
  5. Step 5: Solve for x
    x = 99,470,492,863.29/360,882.54
  6. Step 6: Final answer
    x = 275,631.21

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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.