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Finding the Fourth Proportional to 502,228.62, 693,080.28 and 275,874.12

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Solution

The fourth proportional to 502,228.62, 693,080.28 and 275,874.12 is: 380,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,228.62 : 693,080.28 = 275,874.12 : x
  2. Step 2: Convert to fraction form
    502,228.62/693,080.28 = 275,874.12/x
  3. Step 3: Cross multiply
    502,228.62x = 693,080.28 × 275,874.12
  4. Step 4: Simplify right side
    502,228.62x = 191,202,912,334.35
  5. Step 5: Solve for x
    x = 191,202,912,334.35/502,228.62
  6. Step 6: Final answer
    x = 380,708.91

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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.