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Finding the Fourth Proportional to 502,589.94, 693,587.25 and 276,241.38

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Solution

The fourth proportional to 502,589.94, 693,587.25 and 276,241.38 is: 381,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,589.94 : 693,587.25 = 276,241.38 : x
  2. Step 2: Convert to fraction form
    502,589.94/693,587.25 = 276,241.38/x
  3. Step 3: Cross multiply
    502,589.94x = 693,587.25 × 276,241.38
  4. Step 4: Simplify right side
    502,589.94x = 191,597,499,090.41
  5. Step 5: Solve for x
    x = 191,597,499,090.41/502,589.94
  6. Step 6: Final answer
    x = 381,220.32

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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.