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Finding the Fourth Proportional to 341,775.43, 512,767.02 and 242,128.42

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Solution

The fourth proportional to 341,775.43, 512,767.02 and 242,128.42 is: 363,266.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,775.43 : 512,767.02 = 242,128.42 : x
  2. Step 2: Convert to fraction form
    341,775.43/512,767.02 = 242,128.42/x
  3. Step 3: Cross multiply
    341,775.43x = 512,767.02 × 242,128.42
  4. Step 4: Simplify right side
    341,775.43x = 124,155,468,380.71
  5. Step 5: Solve for x
    x = 124,155,468,380.71/341,775.43
  6. Step 6: Final answer
    x = 363,266.22

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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.