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Finding the Fourth Proportional to 358,243.20, 537,163.20 and 158,330.88

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Solution

The fourth proportional to 358,243.20, 537,163.20 and 158,330.88 is: 237,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,243.20 : 537,163.20 = 158,330.88 : x
  2. Step 2: Convert to fraction form
    358,243.20/537,163.20 = 158,330.88/x
  3. Step 3: Cross multiply
    358,243.20x = 537,163.20 × 158,330.88
  4. Step 4: Simplify right side
    358,243.20x = 85,049,522,159.62
  5. Step 5: Solve for x
    x = 85,049,522,159.62/358,243.20
  6. Step 6: Final answer
    x = 237,407.22

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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.