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Finding the Fourth Proportional to 350,137.80, 482,609.28 and 248,032.20

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Solution

The fourth proportional to 350,137.80, 482,609.28 and 248,032.20 is: 341,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,137.80 : 482,609.28 = 248,032.20 : x
  2. Step 2: Convert to fraction form
    350,137.80/482,609.28 = 248,032.20/x
  3. Step 3: Cross multiply
    350,137.80x = 482,609.28 × 248,032.20
  4. Step 4: Simplify right side
    350,137.80x = 119,702,641,458.82
  5. Step 5: Solve for x
    x = 119,702,641,458.82/350,137.80
  6. Step 6: Final answer
    x = 341,872.95

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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.