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Finding the Fourth Proportional to 295,002.40, 407,079.12 and 167,648.80

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Solution

The fourth proportional to 295,002.40, 407,079.12 and 167,648.80 is: 231,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,002.40 : 407,079.12 = 167,648.80 : x
  2. Step 2: Convert to fraction form
    295,002.40/407,079.12 = 167,648.80/x
  3. Step 3: Cross multiply
    295,002.40x = 407,079.12 × 167,648.80
  4. Step 4: Simplify right side
    295,002.40x = 68,246,325,973.06
  5. Step 5: Solve for x
    x = 68,246,325,973.06/295,002.40
  6. Step 6: Final answer
    x = 231,341.60

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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.