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Finding the Fourth Proportional to 356,767.16, 534,100.97 and 238,144.28

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Solution

The fourth proportional to 356,767.16, 534,100.97 and 238,144.28 is: 356,515.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,767.16 : 534,100.97 = 238,144.28 : x
  2. Step 2: Convert to fraction form
    356,767.16/534,100.97 = 238,144.28/x
  3. Step 3: Cross multiply
    356,767.16x = 534,100.97 × 238,144.28
  4. Step 4: Simplify right side
    356,767.16x = 127,193,088,872.81
  5. Step 5: Solve for x
    x = 127,193,088,872.81/356,767.16
  6. Step 6: Final answer
    x = 356,515.69

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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.