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Finding the Fourth Proportional to 676,020.75, 932,908.64 and 370,096.17

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Solution

The fourth proportional to 676,020.75, 932,908.64 and 370,096.17 is: 510,732.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,020.75 : 932,908.64 = 370,096.17 : x
  2. Step 2: Convert to fraction form
    676,020.75/932,908.64 = 370,096.17/x
  3. Step 3: Cross multiply
    676,020.75x = 932,908.64 × 370,096.17
  4. Step 4: Simplify right side
    676,020.75x = 345,265,912,773.43
  5. Step 5: Solve for x
    x = 345,265,912,773.43/676,020.75
  6. Step 6: Final answer
    x = 510,732.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.