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Finding the Fourth Proportional to 523,219.40, 784,829.10 and 168,269.30

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Solution

The fourth proportional to 523,219.40, 784,829.10 and 168,269.30 is: 252,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,219.40 : 784,829.10 = 168,269.30 : x
  2. Step 2: Convert to fraction form
    523,219.40/784,829.10 = 168,269.30/x
  3. Step 3: Cross multiply
    523,219.40x = 784,829.10 × 168,269.30
  4. Step 4: Simplify right side
    523,219.40x = 132,062,643,276.63
  5. Step 5: Solve for x
    x = 132,062,643,276.63/523,219.40
  6. Step 6: Final answer
    x = 252,403.95

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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.