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Finding the Fourth Proportional to 371,454.37, 512,592.65 and 201,684.61

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Solution

The fourth proportional to 371,454.37, 512,592.65 and 201,684.61 is: 278,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,454.37 : 512,592.65 = 201,684.61 : x
  2. Step 2: Convert to fraction form
    371,454.37/512,592.65 = 201,684.61/x
  3. Step 3: Cross multiply
    371,454.37x = 512,592.65 × 201,684.61
  4. Step 4: Simplify right side
    371,454.37x = 103,382,046,645.37
  5. Step 5: Solve for x
    x = 103,382,046,645.37/371,454.37
  6. Step 6: Final answer
    x = 278,316.95

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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.