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Finding the Fourth Proportional to 341,253.41, 511,661.41 and 141,711.53

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Solution

The fourth proportional to 341,253.41, 511,661.41 and 141,711.53 is: 212,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,253.41 : 511,661.41 = 141,711.53 : x
  2. Step 2: Convert to fraction form
    341,253.41/511,661.41 = 141,711.53/x
  3. Step 3: Cross multiply
    341,253.41x = 511,661.41 × 141,711.53
  4. Step 4: Simplify right side
    341,253.41x = 72,508,318,340.47
  5. Step 5: Solve for x
    x = 72,508,318,340.47/341,253.41
  6. Step 6: Final answer
    x = 212,476.47

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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.