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Finding the Fourth Proportional to 370,147.10, 555,479.85 and 237,350.30

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Solution

The fourth proportional to 370,147.10, 555,479.85 and 237,350.30 is: 356,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,147.10 : 555,479.85 = 237,350.30 : x
  2. Step 2: Convert to fraction form
    370,147.10/555,479.85 = 237,350.30/x
  3. Step 3: Cross multiply
    370,147.10x = 555,479.85 × 237,350.30
  4. Step 4: Simplify right side
    370,147.10x = 131,843,309,041.46
  5. Step 5: Solve for x
    x = 131,843,309,041.46/370,147.10
  6. Step 6: Final answer
    x = 356,191.66

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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.