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Finding the Fourth Proportional to 341,057.98, 511,600.47 and 127,803.61

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Solution

The fourth proportional to 341,057.98, 511,600.47 and 127,803.61 is: 191,710.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,057.98 : 511,600.47 = 127,803.61 : x
  2. Step 2: Convert to fraction form
    341,057.98/511,600.47 = 127,803.61/x
  3. Step 3: Cross multiply
    341,057.98x = 511,600.47 × 127,803.61
  4. Step 4: Simplify right side
    341,057.98x = 65,384,386,943.70
  5. Step 5: Solve for x
    x = 65,384,386,943.70/341,057.98
  6. Step 6: Final answer
    x = 191,710.47

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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.