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Finding the Fourth Proportional to 346,507.88, 519,969.17 and 149,515.88

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Solution

The fourth proportional to 346,507.88, 519,969.17 and 149,515.88 is: 224,363.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,507.88 : 519,969.17 = 149,515.88 : x
  2. Step 2: Convert to fraction form
    346,507.88/519,969.17 = 149,515.88/x
  3. Step 3: Cross multiply
    346,507.88x = 519,969.17 × 149,515.88
  4. Step 4: Simplify right side
    346,507.88x = 77,743,645,799.36
  5. Step 5: Solve for x
    x = 77,743,645,799.36/346,507.88
  6. Step 6: Final answer
    x = 224,363.29

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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.