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Finding the Fourth Proportional to 238,874.89, 329,783.31 and 158,411.04

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Solution

The fourth proportional to 238,874.89, 329,783.31 and 158,411.04 is: 218,697.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,874.89 : 329,783.31 = 158,411.04 : x
  2. Step 2: Convert to fraction form
    238,874.89/329,783.31 = 158,411.04/x
  3. Step 3: Cross multiply
    238,874.89x = 329,783.31 × 158,411.04
  4. Step 4: Simplify right side
    238,874.89x = 52,241,317,111.74
  5. Step 5: Solve for x
    x = 52,241,317,111.74/238,874.89
  6. Step 6: Final answer
    x = 218,697.40

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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.