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Finding the Fourth Proportional to 716,168.76, 1,074,253.42 and 183,689.76

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Solution

The fourth proportional to 716,168.76, 1,074,253.42 and 183,689.76 is: 275,534.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,168.76 : 1,074,253.42 = 183,689.76 : x
  2. Step 2: Convert to fraction form
    716,168.76/1,074,253.42 = 183,689.76/x
  3. Step 3: Cross multiply
    716,168.76x = 1,074,253.42 × 183,689.76
  4. Step 4: Simplify right side
    716,168.76x = 197,329,352,898.98
  5. Step 5: Solve for x
    x = 197,329,352,898.98/716,168.76
  6. Step 6: Final answer
    x = 275,534.71

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Double scale
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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.