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Finding the Fourth Proportional to 366,900.10, 550,350.15 and 156,948.10

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Solution

The fourth proportional to 366,900.10, 550,350.15 and 156,948.10 is: 235,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,900.10 : 550,350.15 = 156,948.10 : x
  2. Step 2: Convert to fraction form
    366,900.10/550,350.15 = 156,948.10/x
  3. Step 3: Cross multiply
    366,900.10x = 550,350.15 × 156,948.10
  4. Step 4: Simplify right side
    366,900.10x = 86,376,410,377.22
  5. Step 5: Solve for x
    x = 86,376,410,377.22/366,900.10
  6. Step 6: Final answer
    x = 235,422.15

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1.5x scale

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.