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Finding the Fourth Proportional to 310,904.10, 466,010.55 and 133,380.90

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Solution

The fourth proportional to 310,904.10, 466,010.55 and 133,380.90 is: 199,923.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,904.10 : 466,010.55 = 133,380.90 : x
  2. Step 2: Convert to fraction form
    310,904.10/466,010.55 = 133,380.90/x
  3. Step 3: Cross multiply
    310,904.10x = 466,010.55 × 133,380.90
  4. Step 4: Simplify right side
    310,904.10x = 62,156,906,568.50
  5. Step 5: Solve for x
    x = 62,156,906,568.50/310,904.10
  6. Step 6: Final answer
    x = 199,923.08

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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.