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Finding the Fourth Proportional to 301,641.78, 416,111.68 and 192,631.53

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Solution

The fourth proportional to 301,641.78, 416,111.68 and 192,631.53 is: 265,733.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,641.78 : 416,111.68 = 192,631.53 : x
  2. Step 2: Convert to fraction form
    301,641.78/416,111.68 = 192,631.53/x
  3. Step 3: Cross multiply
    301,641.78x = 416,111.68 × 192,631.53
  4. Step 4: Simplify right side
    301,641.78x = 80,156,231,370.48
  5. Step 5: Solve for x
    x = 80,156,231,370.48/301,641.78
  6. Step 6: Final answer
    x = 265,733.18

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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.