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Finding the Fourth Proportional to 665,597.44, 918,510.96 and 363,793.60

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Solution

The fourth proportional to 665,597.44, 918,510.96 and 363,793.60 is: 502,027.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,597.44 : 918,510.96 = 363,793.60 : x
  2. Step 2: Convert to fraction form
    665,597.44/918,510.96 = 363,793.60/x
  3. Step 3: Cross multiply
    665,597.44x = 918,510.96 × 363,793.60
  4. Step 4: Simplify right side
    665,597.44x = 334,148,408,777.86
  5. Step 5: Solve for x
    x = 334,148,408,777.86/665,597.44
  6. Step 6: Final answer
    x = 502,027.79

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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.