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Finding the Fourth Proportional to 270,591.76, 373,111.05 and 202,390.17

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Solution

The fourth proportional to 270,591.76, 373,111.05 and 202,390.17 is: 279,069.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,591.76 : 373,111.05 = 202,390.17 : x
  2. Step 2: Convert to fraction form
    270,591.76/373,111.05 = 202,390.17/x
  3. Step 3: Cross multiply
    270,591.76x = 373,111.05 × 202,390.17
  4. Step 4: Simplify right side
    270,591.76x = 75,514,007,284.32
  5. Step 5: Solve for x
    x = 75,514,007,284.32/270,591.76
  6. Step 6: Final answer
    x = 279,069.87

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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.