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Finding the Fourth Proportional to 350,017.20, 482,938.20 and 197,024.40

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Solution

The fourth proportional to 350,017.20, 482,938.20 and 197,024.40 is: 271,845.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,017.20 : 482,938.20 = 197,024.40 : x
  2. Step 2: Convert to fraction form
    350,017.20/482,938.20 = 197,024.40/x
  3. Step 3: Cross multiply
    350,017.20x = 482,938.20 × 197,024.40
  4. Step 4: Simplify right side
    350,017.20x = 95,150,609,092.08
  5. Step 5: Solve for x
    x = 95,150,609,092.08/350,017.20
  6. Step 6: Final answer
    x = 271,845.52

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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.