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Finding the Fourth Proportional to 238,572.70, 329,343.05 and 151,401.62

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Solution

The fourth proportional to 238,572.70, 329,343.05 and 151,401.62 is: 209,005.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,572.70 : 329,343.05 = 151,401.62 : x
  2. Step 2: Convert to fraction form
    238,572.70/329,343.05 = 151,401.62/x
  3. Step 3: Cross multiply
    238,572.70x = 329,343.05 × 151,401.62
  4. Step 4: Simplify right side
    238,572.70x = 49,863,071,305.74
  5. Step 5: Solve for x
    x = 49,863,071,305.74/238,572.70
  6. Step 6: Final answer
    x = 209,005.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.