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Finding the Fourth Proportional to 275,165.80, 384,444.80 and 275,165.80

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Solution

The fourth proportional to 275,165.80, 384,444.80 and 275,165.80 is: 384,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,165.80 : 384,444.80 = 275,165.80 : x
  2. Step 2: Convert to fraction form
    275,165.80/384,444.80 = 275,165.80/x
  3. Step 3: Cross multiply
    275,165.80x = 384,444.80 × 275,165.80
  4. Step 4: Simplify right side
    275,165.80x = 105,786,060,947.84
  5. Step 5: Solve for x
    x = 105,786,060,947.84/275,165.80
  6. Step 6: Final answer
    x = 384,444.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.