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Finding the Fourth Proportional to 439,088.96, 605,954.76 and 248,098.52

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Solution

The fourth proportional to 439,088.96, 605,954.76 and 248,098.52 is: 342,382.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,088.96 : 605,954.76 = 248,098.52 : x
  2. Step 2: Convert to fraction form
    439,088.96/605,954.76 = 248,098.52/x
  3. Step 3: Cross multiply
    439,088.96x = 605,954.76 × 248,098.52
  4. Step 4: Simplify right side
    439,088.96x = 150,336,479,142.96
  5. Step 5: Solve for x
    x = 150,336,479,142.96/439,088.96
  6. Step 6: Final answer
    x = 342,382.74

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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.