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Finding the Fourth Proportional to 295,778.29, 408,150.88 and 168,429.01

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Solution

The fourth proportional to 295,778.29, 408,150.88 and 168,429.01 is: 232,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,778.29 : 408,150.88 = 168,429.01 : x
  2. Step 2: Convert to fraction form
    295,778.29/408,150.88 = 168,429.01/x
  3. Step 3: Cross multiply
    295,778.29x = 408,150.88 × 168,429.01
  4. Step 4: Simplify right side
    295,778.29x = 68,744,448,649.03
  5. Step 5: Solve for x
    x = 68,744,448,649.03/295,778.29
  6. Step 6: Final answer
    x = 232,418.85

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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.