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Finding the Fourth Proportional to 283,695.20, 426,176.40 and 237,039.20

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Solution

The fourth proportional to 283,695.20, 426,176.40 and 237,039.20 is: 356,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,695.20 : 426,176.40 = 237,039.20 : x
  2. Step 2: Convert to fraction form
    283,695.20/426,176.40 = 237,039.20/x
  3. Step 3: Cross multiply
    283,695.20x = 426,176.40 × 237,039.20
  4. Step 4: Simplify right side
    283,695.20x = 101,020,512,914.88
  5. Step 5: Solve for x
    x = 101,020,512,914.88/283,695.20
  6. Step 6: Final answer
    x = 356,088.20

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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.