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Finding the Fourth Proportional to 350,876.16, 484,197.12 and 200,021.76

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Solution

The fourth proportional to 350,876.16, 484,197.12 and 200,021.76 is: 276,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,876.16 : 484,197.12 = 200,021.76 : x
  2. Step 2: Convert to fraction form
    350,876.16/484,197.12 = 200,021.76/x
  3. Step 3: Cross multiply
    350,876.16x = 484,197.12 × 200,021.76
  4. Step 4: Simplify right side
    350,876.16x = 96,849,960,129.33
  5. Step 5: Solve for x
    x = 96,849,960,129.33/350,876.16
  6. Step 6: Final answer
    x = 276,023.20

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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.