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Finding the Fourth Proportional to 275,666.80, 413,548.80 and 98,276.80

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Solution

The fourth proportional to 275,666.80, 413,548.80 and 98,276.80 is: 147,432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,666.80 : 413,548.80 = 98,276.80 : x
  2. Step 2: Convert to fraction form
    275,666.80/413,548.80 = 98,276.80/x
  3. Step 3: Cross multiply
    275,666.80x = 413,548.80 × 98,276.80
  4. Step 4: Simplify right side
    275,666.80x = 40,642,252,707.84
  5. Step 5: Solve for x
    x = 40,642,252,707.84/275,666.80
  6. Step 6: Final answer
    x = 147,432.53

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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.