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Finding the Fourth Proportional to 488,756.82, 732,675.54 and 263,780.13

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Solution

The fourth proportional to 488,756.82, 732,675.54 and 263,780.13 is: 395,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,756.82 : 732,675.54 = 263,780.13 : x
  2. Step 2: Convert to fraction form
    488,756.82/732,675.54 = 263,780.13/x
  3. Step 3: Cross multiply
    488,756.82x = 732,675.54 × 263,780.13
  4. Step 4: Simplify right side
    488,756.82x = 193,265,249,189.02
  5. Step 5: Solve for x
    x = 193,265,249,189.02/488,756.82
  6. Step 6: Final answer
    x = 395,422.10

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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.