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Finding the Fourth Proportional to 356,039.44, 534,428.21 and 238,531.93

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Solution

The fourth proportional to 356,039.44, 534,428.21 and 238,531.93 is: 358,045.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,039.44 : 534,428.21 = 238,531.93 : x
  2. Step 2: Convert to fraction form
    356,039.44/534,428.21 = 238,531.93/x
  3. Step 3: Cross multiply
    356,039.44x = 534,428.21 × 238,531.93
  4. Step 4: Simplify right side
    356,039.44x = 127,478,192,377.75
  5. Step 5: Solve for x
    x = 127,478,192,377.75/356,039.44
  6. Step 6: Final answer
    x = 358,045.14

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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.