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Finding the Fourth Proportional to 342,246.98, 472,301.88 and 191,343.98

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Solution

The fourth proportional to 342,246.98, 472,301.88 and 191,343.98 is: 264,055.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,246.98 : 472,301.88 = 191,343.98 : x
  2. Step 2: Convert to fraction form
    342,246.98/472,301.88 = 191,343.98/x
  3. Step 3: Cross multiply
    342,246.98x = 472,301.88 × 191,343.98
  4. Step 4: Simplify right side
    342,246.98x = 90,372,121,480.68
  5. Step 5: Solve for x
    x = 90,372,121,480.68/342,246.98
  6. Step 6: Final answer
    x = 264,055.28

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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.