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Finding the Fourth Proportional to 488,568.20, 732,852.30 and 172,984.10

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Solution

The fourth proportional to 488,568.20, 732,852.30 and 172,984.10 is: 259,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,568.20 : 732,852.30 = 172,984.10 : x
  2. Step 2: Convert to fraction form
    488,568.20/732,852.30 = 172,984.10/x
  3. Step 3: Cross multiply
    488,568.20x = 732,852.30 × 172,984.10
  4. Step 4: Simplify right side
    488,568.20x = 126,771,795,548.43
  5. Step 5: Solve for x
    x = 126,771,795,548.43/488,568.20
  6. Step 6: Final answer
    x = 259,476.15

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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.