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Finding the Fourth Proportional to 337,873.66, 506,810.47 and 155,486.05

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Solution

The fourth proportional to 337,873.66, 506,810.47 and 155,486.05 is: 233,229.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,873.66 : 506,810.47 = 155,486.05 : x
  2. Step 2: Convert to fraction form
    337,873.66/506,810.47 = 155,486.05/x
  3. Step 3: Cross multiply
    337,873.66x = 506,810.47 × 155,486.05
  4. Step 4: Simplify right side
    337,873.66x = 78,801,958,078.94
  5. Step 5: Solve for x
    x = 78,801,958,078.94/337,873.66
  6. Step 6: Final answer
    x = 233,229.07

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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.