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Finding the Fourth Proportional to 337,555.40, 506,268.30 and 100,905.80

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Solution

The fourth proportional to 337,555.40, 506,268.30 and 100,905.80 is: 151,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,555.40 : 506,268.30 = 100,905.80 : x
  2. Step 2: Convert to fraction form
    337,555.40/506,268.30 = 100,905.80/x
  3. Step 3: Cross multiply
    337,555.40x = 506,268.30 × 100,905.80
  4. Step 4: Simplify right side
    337,555.40x = 51,085,407,826.14
  5. Step 5: Solve for x
    x = 51,085,407,826.14/337,555.40
  6. Step 6: Final answer
    x = 151,339.33

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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.