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Finding the Fourth Proportional to 337,602.20, 506,403.30 and 218,629.40

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Solution

The fourth proportional to 337,602.20, 506,403.30 and 218,629.40 is: 327,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,602.20 : 506,403.30 = 218,629.40 : x
  2. Step 2: Convert to fraction form
    337,602.20/506,403.30 = 218,629.40/x
  3. Step 3: Cross multiply
    337,602.20x = 506,403.30 × 218,629.40
  4. Step 4: Simplify right side
    337,602.20x = 110,714,649,637.02
  5. Step 5: Solve for x
    x = 110,714,649,637.02/337,602.20
  6. Step 6: Final answer
    x = 327,944.10

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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.