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Finding the Fourth Proportional to 548,369.37, 756,735.56 and 303,347.74

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Solution

The fourth proportional to 548,369.37, 756,735.56 and 303,347.74 is: 418,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,369.37 : 756,735.56 = 303,347.74 : x
  2. Step 2: Convert to fraction form
    548,369.37/756,735.56 = 303,347.74/x
  3. Step 3: Cross multiply
    548,369.37x = 756,735.56 × 303,347.74
  4. Step 4: Simplify right side
    548,369.37x = 229,554,023,289.90
  5. Step 5: Solve for x
    x = 229,554,023,289.90/548,369.37
  6. Step 6: Final answer
    x = 418,612.05

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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.