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Finding the Fourth Proportional to 310,910.10, 466,365.15 and 100,569.30

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Solution

The fourth proportional to 310,910.10, 466,365.15 and 100,569.30 is: 150,853.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,910.10 : 466,365.15 = 100,569.30 : x
  2. Step 2: Convert to fraction form
    310,910.10/466,365.15 = 100,569.30/x
  3. Step 3: Cross multiply
    310,910.10x = 466,365.15 × 100,569.30
  4. Step 4: Simplify right side
    310,910.10x = 46,902,016,679.90
  5. Step 5: Solve for x
    x = 46,902,016,679.90/310,910.10
  6. Step 6: Final answer
    x = 150,853.95

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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.