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Finding the Fourth Proportional to 506,964.60, 760,446.90 and 133,025.40

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Solution

The fourth proportional to 506,964.60, 760,446.90 and 133,025.40 is: 199,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,964.60 : 760,446.90 = 133,025.40 : x
  2. Step 2: Convert to fraction form
    506,964.60/760,446.90 = 133,025.40/x
  3. Step 3: Cross multiply
    506,964.60x = 760,446.90 × 133,025.40
  4. Step 4: Simplify right side
    506,964.60x = 101,158,753,051.26
  5. Step 5: Solve for x
    x = 101,158,753,051.26/506,964.60
  6. Step 6: Final answer
    x = 199,538.10

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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.