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Finding the Fourth Proportional to 437,230.10, 655,845.15 and 156,775.70

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Solution

The fourth proportional to 437,230.10, 655,845.15 and 156,775.70 is: 235,163.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,230.10 : 655,845.15 = 156,775.70 : x
  2. Step 2: Convert to fraction form
    437,230.10/655,845.15 = 156,775.70/x
  3. Step 3: Cross multiply
    437,230.10x = 655,845.15 × 156,775.70
  4. Step 4: Simplify right side
    437,230.10x = 102,820,582,482.86
  5. Step 5: Solve for x
    x = 102,820,582,482.86/437,230.10
  6. Step 6: Final answer
    x = 235,163.55

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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.