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Finding the Fourth Proportional to 295,737.60, 408,115.20 and 168,412.80

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Solution

The fourth proportional to 295,737.60, 408,115.20 and 168,412.80 is: 232,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,737.60 : 408,115.20 = 168,412.80 : x
  2. Step 2: Convert to fraction form
    295,737.60/408,115.20 = 168,412.80/x
  3. Step 3: Cross multiply
    295,737.60x = 408,115.20 × 168,412.80
  4. Step 4: Simplify right side
    295,737.60x = 68,731,823,554.56
  5. Step 5: Solve for x
    x = 68,731,823,554.56/295,737.60
  6. Step 6: Final answer
    x = 232,408.13

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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.