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Finding the Fourth Proportional to 508,095.70, 762,034.20 and 223,785.70

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Solution

The fourth proportional to 508,095.70, 762,034.20 and 223,785.70 is: 335,630.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,095.70 : 762,034.20 = 223,785.70 : x
  2. Step 2: Convert to fraction form
    508,095.70/762,034.20 = 223,785.70/x
  3. Step 3: Cross multiply
    508,095.70x = 762,034.20 × 223,785.70
  4. Step 4: Simplify right side
    508,095.70x = 170,532,356,870.94
  5. Step 5: Solve for x
    x = 170,532,356,870.94/508,095.70
  6. Step 6: Final answer
    x = 335,630.39

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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.