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Finding the Fourth Proportional to 260,678.97, 391,005.48 and 152,669.04

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Solution

The fourth proportional to 260,678.97, 391,005.48 and 152,669.04 is: 228,995.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,678.97 : 391,005.48 = 152,669.04 : x
  2. Step 2: Convert to fraction form
    260,678.97/391,005.48 = 152,669.04/x
  3. Step 3: Cross multiply
    260,678.97x = 391,005.48 × 152,669.04
  4. Step 4: Simplify right side
    260,678.97x = 59,694,431,266.34
  5. Step 5: Solve for x
    x = 59,694,431,266.34/260,678.97
  6. Step 6: Final answer
    x = 228,995.96

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1.5x scale

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.