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Finding the Fourth Proportional to 251,820.20, 377,730.30 and 237,045.80

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Solution

The fourth proportional to 251,820.20, 377,730.30 and 237,045.80 is: 355,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,820.20 : 377,730.30 = 237,045.80 : x
  2. Step 2: Convert to fraction form
    251,820.20/377,730.30 = 237,045.80/x
  3. Step 3: Cross multiply
    251,820.20x = 377,730.30 × 237,045.80
  4. Step 4: Simplify right side
    251,820.20x = 89,539,381,147.74
  5. Step 5: Solve for x
    x = 89,539,381,147.74/251,820.20
  6. Step 6: Final answer
    x = 355,568.70

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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.