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Finding the Fourth Proportional to 337,115.10, 505,672.65 and 308,246.70

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Solution

The fourth proportional to 337,115.10, 505,672.65 and 308,246.70 is: 462,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,115.10 : 505,672.65 = 308,246.70 : x
  2. Step 2: Convert to fraction form
    337,115.10/505,672.65 = 308,246.70/x
  3. Step 3: Cross multiply
    337,115.10x = 505,672.65 × 308,246.70
  4. Step 4: Simplify right side
    337,115.10x = 155,871,925,642.76
  5. Step 5: Solve for x
    x = 155,871,925,642.76/337,115.10
  6. Step 6: Final answer
    x = 462,370.05

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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.