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Finding the Fourth Proportional to 437,105.16, 655,750.89 and 247,656.29

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Solution

The fourth proportional to 437,105.16, 655,750.89 and 247,656.29 is: 371,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,105.16 : 655,750.89 = 247,656.29 : x
  2. Step 2: Convert to fraction form
    437,105.16/655,750.89 = 247,656.29/x
  3. Step 3: Cross multiply
    437,105.16x = 655,750.89 × 247,656.29
  4. Step 4: Simplify right side
    437,105.16x = 162,400,829,302.84
  5. Step 5: Solve for x
    x = 162,400,829,302.84/437,105.16
  6. Step 6: Final answer
    x = 371,537.20

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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.