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Finding the Fourth Proportional to 366,948.20, 550,422.30 and 307,899.20

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Solution

The fourth proportional to 366,948.20, 550,422.30 and 307,899.20 is: 461,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,948.20 : 550,422.30 = 307,899.20 : x
  2. Step 2: Convert to fraction form
    366,948.20/550,422.30 = 307,899.20/x
  3. Step 3: Cross multiply
    366,948.20x = 550,422.30 × 307,899.20
  4. Step 4: Simplify right side
    366,948.20x = 169,474,585,832.16
  5. Step 5: Solve for x
    x = 169,474,585,832.16/366,948.20
  6. Step 6: Final answer
    x = 461,848.80

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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.