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Finding the Fourth Proportional to 502,087.44, 692,892.72 and 275,737.80

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Solution

The fourth proportional to 502,087.44, 692,892.72 and 275,737.80 is: 380,524.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,087.44 : 692,892.72 = 275,737.80 : x
  2. Step 2: Convert to fraction form
    502,087.44/692,892.72 = 275,737.80/x
  3. Step 3: Cross multiply
    502,087.44x = 692,892.72 × 275,737.80
  4. Step 4: Simplify right side
    502,087.44x = 191,056,714,248.82
  5. Step 5: Solve for x
    x = 191,056,714,248.82/502,087.44
  6. Step 6: Final answer
    x = 380,524.78

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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.