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Finding the Fourth Proportional to 328,215.60, 452,937.42 and 177,312.60

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Solution

The fourth proportional to 328,215.60, 452,937.42 and 177,312.60 is: 244,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,215.60 : 452,937.42 = 177,312.60 : x
  2. Step 2: Convert to fraction form
    328,215.60/452,937.42 = 177,312.60/x
  3. Step 3: Cross multiply
    328,215.60x = 452,937.42 × 177,312.60
  4. Step 4: Simplify right side
    328,215.60x = 80,311,511,577.49
  5. Step 5: Solve for x
    x = 80,311,511,577.49/328,215.60
  6. Step 6: Final answer
    x = 244,691.33

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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.