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Finding the Fourth Proportional to 460,466.52, 690,803.31 and 140,591.62

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Solution

The fourth proportional to 460,466.52, 690,803.31 and 140,591.62 is: 210,919.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,466.52 : 690,803.31 = 140,591.62 : x
  2. Step 2: Convert to fraction form
    460,466.52/690,803.31 = 140,591.62/x
  3. Step 3: Cross multiply
    460,466.52x = 690,803.31 × 140,591.62
  4. Step 4: Simplify right side
    460,466.52x = 97,121,156,454.26
  5. Step 5: Solve for x
    x = 97,121,156,454.26/460,466.52
  6. Step 6: Final answer
    x = 210,919.04

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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.