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Finding the Fourth Proportional to 488,353.46, 732,740.18 and 263,669.18

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Solution

The fourth proportional to 488,353.46, 732,740.18 and 263,669.18 is: 395,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,353.46 : 732,740.18 = 263,669.18 : x
  2. Step 2: Convert to fraction form
    488,353.46/732,740.18 = 263,669.18/x
  3. Step 3: Cross multiply
    488,353.46x = 732,740.18 × 263,669.18
  4. Step 4: Simplify right side
    488,353.46x = 193,200,997,431.61
  5. Step 5: Solve for x
    x = 193,200,997,431.61/488,353.46
  6. Step 6: Final answer
    x = 395,617.14

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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.