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Finding the Fourth Proportional to 342,098.57, 472,094.84 and 191,195.57

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Solution

The fourth proportional to 342,098.57, 472,094.84 and 191,195.57 is: 263,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,098.57 : 472,094.84 = 191,195.57 : x
  2. Step 2: Convert to fraction form
    342,098.57/472,094.84 = 191,195.57/x
  3. Step 3: Cross multiply
    342,098.57x = 472,094.84 × 191,195.57
  4. Step 4: Simplify right side
    342,098.57x = 90,262,438,711.41
  5. Step 5: Solve for x
    x = 90,262,438,711.41/342,098.57
  6. Step 6: Final answer
    x = 263,849.22

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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.