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Finding the Fourth Proportional to 275,527.54, 413,242.80 and 75,799.72

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Solution

The fourth proportional to 275,527.54, 413,242.80 and 75,799.72 is: 113,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,527.54 : 413,242.80 = 75,799.72 : x
  2. Step 2: Convert to fraction form
    275,527.54/413,242.80 = 75,799.72/x
  3. Step 3: Cross multiply
    275,527.54x = 413,242.80 × 75,799.72
  4. Step 4: Simplify right side
    275,527.54x = 31,323,688,532.02
  5. Step 5: Solve for x
    x = 31,323,688,532.02/275,527.54
  6. Step 6: Final answer
    x = 113,686.23

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1.5x scale

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.