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Finding the Fourth Proportional to 502,334.58, 693,218.90 and 272,889.88

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Solution

The fourth proportional to 502,334.58, 693,218.90 and 272,889.88 is: 376,586.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,334.58 : 693,218.90 = 272,889.88 : x
  2. Step 2: Convert to fraction form
    502,334.58/693,218.90 = 272,889.88/x
  3. Step 3: Cross multiply
    502,334.58x = 693,218.90 × 272,889.88
  4. Step 4: Simplify right side
    502,334.58x = 189,172,422,434.73
  5. Step 5: Solve for x
    x = 189,172,422,434.73/502,334.58
  6. Step 6: Final answer
    x = 376,586.50

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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.