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Finding the Fourth Proportional to 337,515.40, 506,273.10 and 219,320.20

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Solution

The fourth proportional to 337,515.40, 506,273.10 and 219,320.20 is: 328,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,515.40 : 506,273.10 = 219,320.20 : x
  2. Step 2: Convert to fraction form
    337,515.40/506,273.10 = 219,320.20/x
  3. Step 3: Cross multiply
    337,515.40x = 506,273.10 × 219,320.20
  4. Step 4: Simplify right side
    337,515.40x = 111,035,917,546.62
  5. Step 5: Solve for x
    x = 111,035,917,546.62/337,515.40
  6. Step 6: Final answer
    x = 328,980.30

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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.