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Finding the Fourth Proportional to 488,544.10, 732,816.15 and 172,896.10

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Solution

The fourth proportional to 488,544.10, 732,816.15 and 172,896.10 is: 259,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,544.10 : 732,816.15 = 172,896.10 : x
  2. Step 2: Convert to fraction form
    488,544.10/732,816.15 = 172,896.10/x
  3. Step 3: Cross multiply
    488,544.10x = 732,816.15 × 172,896.10
  4. Step 4: Simplify right side
    488,544.10x = 126,701,054,352.02
  5. Step 5: Solve for x
    x = 126,701,054,352.02/488,544.10
  6. Step 6: Final answer
    x = 259,344.15

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Similar ratio
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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.