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Finding the Fourth Proportional to 506,315.70, 759,473.55 and 132,338.70

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Solution

The fourth proportional to 506,315.70, 759,473.55 and 132,338.70 is: 198,508.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,315.70 : 759,473.55 = 132,338.70 : x
  2. Step 2: Convert to fraction form
    506,315.70/759,473.55 = 132,338.70/x
  3. Step 3: Cross multiply
    506,315.70x = 759,473.55 × 132,338.70
  4. Step 4: Simplify right side
    506,315.70x = 100,507,742,291.39
  5. Step 5: Solve for x
    x = 100,507,742,291.39/506,315.70
  6. Step 6: Final answer
    x = 198,508.05

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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.