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Finding the Fourth Proportional to 488,378.80, 732,697.80 and 172,802.80

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Solution

The fourth proportional to 488,378.80, 732,697.80 and 172,802.80 is: 259,250.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,378.80 : 732,697.80 = 172,802.80 : x
  2. Step 2: Convert to fraction form
    488,378.80/732,697.80 = 172,802.80/x
  3. Step 3: Cross multiply
    488,378.80x = 732,697.80 × 172,802.80
  4. Step 4: Simplify right side
    488,378.80x = 126,612,231,393.84
  5. Step 5: Solve for x
    x = 126,612,231,393.84/488,378.80
  6. Step 6: Final answer
    x = 259,250.06

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1.5x scale

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.