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Finding the Fourth Proportional to 275,674.80, 413,560.80 and 98,284.80

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Solution

The fourth proportional to 275,674.80, 413,560.80 and 98,284.80 is: 147,444.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,674.80 : 413,560.80 = 98,284.80 : x
  2. Step 2: Convert to fraction form
    275,674.80/413,560.80 = 98,284.80/x
  3. Step 3: Cross multiply
    275,674.80x = 413,560.80 × 98,284.80
  4. Step 4: Simplify right side
    275,674.80x = 40,646,740,515.84
  5. Step 5: Solve for x
    x = 40,646,740,515.84/275,674.80
  6. Step 6: Final answer
    x = 147,444.53

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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.