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Finding the Fourth Proportional to 488,231.94, 732,080.93 and 387,675.93

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Solution

The fourth proportional to 488,231.94, 732,080.93 and 387,675.93 is: 581,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,231.94 : 732,080.93 = 387,675.93 : x
  2. Step 2: Convert to fraction form
    488,231.94/732,080.93 = 387,675.93/x
  3. Step 3: Cross multiply
    488,231.94x = 732,080.93 × 387,675.93
  4. Step 4: Simplify right side
    488,231.94x = 283,810,155,373.02
  5. Step 5: Solve for x
    x = 283,810,155,373.02/488,231.94
  6. Step 6: Final answer
    x = 581,301.90

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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.