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Finding the Fourth Proportional to 344,280.85, 516,420.87 and 119,641.30

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Solution

The fourth proportional to 344,280.85, 516,420.87 and 119,641.30 is: 179,461.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,280.85 : 516,420.87 = 119,641.30 : x
  2. Step 2: Convert to fraction form
    344,280.85/516,420.87 = 119,641.30/x
  3. Step 3: Cross multiply
    344,280.85x = 516,420.87 × 119,641.30
  4. Step 4: Simplify right side
    344,280.85x = 61,785,264,233.93
  5. Step 5: Solve for x
    x = 61,785,264,233.93/344,280.85
  6. Step 6: Final answer
    x = 179,461.81

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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.