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Finding the Fourth Proportional to 443,891.92, 612,576.96 and 262,599.19

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Solution

The fourth proportional to 443,891.92, 612,576.96 and 262,599.19 is: 362,390.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,891.92 : 612,576.96 = 262,599.19 : x
  2. Step 2: Convert to fraction form
    443,891.92/612,576.96 = 262,599.19/x
  3. Step 3: Cross multiply
    443,891.92x = 612,576.96 × 262,599.19
  4. Step 4: Simplify right side
    443,891.92x = 160,862,213,508.66
  5. Step 5: Solve for x
    x = 160,862,213,508.66/443,891.92
  6. Step 6: Final answer
    x = 362,390.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.