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Finding the Fourth Proportional to 366,921.30, 550,381.95 and 310,934.10

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Solution

The fourth proportional to 366,921.30, 550,381.95 and 310,934.10 is: 466,401.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,921.30 : 550,381.95 = 310,934.10 : x
  2. Step 2: Convert to fraction form
    366,921.30/550,381.95 = 310,934.10/x
  3. Step 3: Cross multiply
    366,921.30x = 550,381.95 × 310,934.10
  4. Step 4: Simplify right side
    366,921.30x = 171,132,516,279.50
  5. Step 5: Solve for x
    x = 171,132,516,279.50/366,921.30
  6. Step 6: Final answer
    x = 466,401.15

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Similar ratio
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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.