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Finding the Fourth Proportional to 488,188.32, 732,392.84 and 263,543.92

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Solution

The fourth proportional to 488,188.32, 732,392.84 and 263,543.92 is: 395,375.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,188.32 : 732,392.84 = 263,543.92 : x
  2. Step 2: Convert to fraction form
    488,188.32/732,392.84 = 263,543.92/x
  3. Step 3: Cross multiply
    488,188.32x = 732,392.84 × 263,543.92
  4. Step 4: Simplify right side
    488,188.32x = 193,017,680,033.53
  5. Step 5: Solve for x
    x = 193,017,680,033.53/488,188.32
  6. Step 6: Final answer
    x = 395,375.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.