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Finding the Fourth Proportional to 486,730.17, 730,553.11 and 247,016.14

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Solution

The fourth proportional to 486,730.17, 730,553.11 and 247,016.14 is: 370,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,730.17 : 730,553.11 = 247,016.14 : x
  2. Step 2: Convert to fraction form
    486,730.17/730,553.11 = 247,016.14/x
  3. Step 3: Cross multiply
    486,730.17x = 730,553.11 × 247,016.14
  4. Step 4: Simplify right side
    486,730.17x = 180,458,406,853.27
  5. Step 5: Solve for x
    x = 180,458,406,853.27/486,730.17
  6. Step 6: Final answer
    x = 370,756.57

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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.