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Finding the Fourth Proportional to 349,043.58, 523,436.07 and 124,344.32

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Solution

The fourth proportional to 349,043.58, 523,436.07 and 124,344.32 is: 186,470.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,043.58 : 523,436.07 = 124,344.32 : x
  2. Step 2: Convert to fraction form
    349,043.58/523,436.07 = 124,344.32/x
  3. Step 3: Cross multiply
    349,043.58x = 523,436.07 × 124,344.32
  4. Step 4: Simplify right side
    349,043.58x = 65,086,300,036.73
  5. Step 5: Solve for x
    x = 65,086,300,036.73/349,043.58
  6. Step 6: Final answer
    x = 186,470.41

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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.