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Finding the Fourth Proportional to 356,783.47, 534,125.43 and 238,160.59

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Solution

The fourth proportional to 356,783.47, 534,125.43 and 238,160.59 is: 356,540.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,783.47 : 534,125.43 = 238,160.59 : x
  2. Step 2: Convert to fraction form
    356,783.47/534,125.43 = 238,160.59/x
  3. Step 3: Cross multiply
    356,783.47x = 534,125.43 × 238,160.59
  4. Step 4: Simplify right side
    356,783.47x = 127,207,626,207.49
  5. Step 5: Solve for x
    x = 127,207,626,207.49/356,783.47
  6. Step 6: Final answer
    x = 356,540.14

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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.