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Finding the Fourth Proportional to 608,310.27, 912,472.70 and 368,476.56

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Solution

The fourth proportional to 608,310.27, 912,472.70 and 368,476.56 is: 552,719.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,310.27 : 912,472.70 = 368,476.56 : x
  2. Step 2: Convert to fraction form
    608,310.27/912,472.70 = 368,476.56/x
  3. Step 3: Cross multiply
    608,310.27x = 912,472.70 × 368,476.56
  4. Step 4: Simplify right side
    608,310.27x = 336,224,799,747.53
  5. Step 5: Solve for x
    x = 336,224,799,747.53/608,310.27
  6. Step 6: Final answer
    x = 552,719.26

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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.