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Finding the Fourth Proportional to 502,321.32, 693,209.00 and 275,966.82

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Solution

The fourth proportional to 502,321.32, 693,209.00 and 275,966.82 is: 380,837.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,321.32 : 693,209.00 = 275,966.82 : x
  2. Step 2: Convert to fraction form
    502,321.32/693,209.00 = 275,966.82/x
  3. Step 3: Cross multiply
    502,321.32x = 693,209.00 × 275,966.82
  4. Step 4: Simplify right side
    502,321.32x = 191,302,684,015.30
  5. Step 5: Solve for x
    x = 191,302,684,015.30/502,321.32
  6. Step 6: Final answer
    x = 380,837.28

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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.