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Finding the Fourth Proportional to 372,908.32, 559,146.48 and 254,722.48

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Solution

The fourth proportional to 372,908.32, 559,146.48 and 254,722.48 is: 381,936.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,908.32 : 559,146.48 = 254,722.48 : x
  2. Step 2: Convert to fraction form
    372,908.32/559,146.48 = 254,722.48/x
  3. Step 3: Cross multiply
    372,908.32x = 559,146.48 × 254,722.48
  4. Step 4: Simplify right side
    372,908.32x = 142,427,178,068.87
  5. Step 5: Solve for x
    x = 142,427,178,068.87/372,908.32
  6. Step 6: Final answer
    x = 381,936.18

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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.