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Finding the Fourth Proportional to 357,891.12, 536,442.99 and 147,414.24

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Solution

The fourth proportional to 357,891.12, 536,442.99 and 147,414.24 is: 220,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,891.12 : 536,442.99 = 147,414.24 : x
  2. Step 2: Convert to fraction form
    357,891.12/536,442.99 = 147,414.24/x
  3. Step 3: Cross multiply
    357,891.12x = 536,442.99 × 147,414.24
  4. Step 4: Simplify right side
    357,891.12x = 79,079,335,674.18
  5. Step 5: Solve for x
    x = 79,079,335,674.18/357,891.12
  6. Step 6: Final answer
    x = 220,959.20

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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.