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Finding the Fourth Proportional to 518,229.77, 777,344.66 and 296,458.25

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Solution

The fourth proportional to 518,229.77, 777,344.66 and 296,458.25 is: 444,687.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,229.77 : 777,344.66 = 296,458.25 : x
  2. Step 2: Convert to fraction form
    518,229.77/777,344.66 = 296,458.25/x
  3. Step 3: Cross multiply
    518,229.77x = 777,344.66 × 296,458.25
  4. Step 4: Simplify right side
    518,229.77x = 230,450,236,068.15
  5. Step 5: Solve for x
    x = 230,450,236,068.15/518,229.77
  6. Step 6: Final answer
    x = 444,687.38

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Half scale
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Double scale
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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.