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Finding the Fourth Proportional to 341,361.80, 511,167.90 and 252,132.20

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Solution

The fourth proportional to 341,361.80, 511,167.90 and 252,132.20 is: 377,552.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,361.80 : 511,167.90 = 252,132.20 : x
  2. Step 2: Convert to fraction form
    341,361.80/511,167.90 = 252,132.20/x
  3. Step 3: Cross multiply
    341,361.80x = 511,167.90 × 252,132.20
  4. Step 4: Simplify right side
    341,361.80x = 128,881,887,196.38
  5. Step 5: Solve for x
    x = 128,881,887,196.38/341,361.80
  6. Step 6: Final answer
    x = 377,552.17

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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.