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Finding the Fourth Proportional to 247,588.94, 341,674.16 and 145,618.70

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Solution

The fourth proportional to 247,588.94, 341,674.16 and 145,618.70 is: 200,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,588.94 : 341,674.16 = 145,618.70 : x
  2. Step 2: Convert to fraction form
    247,588.94/341,674.16 = 145,618.70/x
  3. Step 3: Cross multiply
    247,588.94x = 341,674.16 × 145,618.70
  4. Step 4: Simplify right side
    247,588.94x = 49,754,144,566.33
  5. Step 5: Solve for x
    x = 49,754,144,566.33/247,588.94
  6. Step 6: Final answer
    x = 200,954.63

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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.