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Finding the Fourth Proportional to 342,613.54, 513,954.53 and 117,944.25

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Solution

The fourth proportional to 342,613.54, 513,954.53 and 117,944.25 is: 176,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,613.54 : 513,954.53 = 117,944.25 : x
  2. Step 2: Convert to fraction form
    342,613.54/513,954.53 = 117,944.25/x
  3. Step 3: Cross multiply
    342,613.54x = 513,954.53 × 117,944.25
  4. Step 4: Simplify right side
    342,613.54x = 60,617,981,574.95
  5. Step 5: Solve for x
    x = 60,617,981,574.95/342,613.54
  6. Step 6: Final answer
    x = 176,928.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.