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Finding the Fourth Proportional to 548,499.60, 754,777.44 and 484,989.12

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Solution

The fourth proportional to 548,499.60, 754,777.44 and 484,989.12 is: 667,382.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,499.60 : 754,777.44 = 484,989.12 : x
  2. Step 2: Convert to fraction form
    548,499.60/754,777.44 = 484,989.12/x
  3. Step 3: Cross multiply
    548,499.60x = 754,777.44 × 484,989.12
  4. Step 4: Simplify right side
    548,499.60x = 366,058,846,421.45
  5. Step 5: Solve for x
    x = 366,058,846,421.45/548,499.60
  6. Step 6: Final answer
    x = 667,382.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.