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Finding the Fourth Proportional to 397,594.98, 548,682.38 and 216,306.87

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Solution

The fourth proportional to 397,594.98, 548,682.38 and 216,306.87 is: 298,504.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,594.98 : 548,682.38 = 216,306.87 : x
  2. Step 2: Convert to fraction form
    397,594.98/548,682.38 = 216,306.87/x
  3. Step 3: Cross multiply
    397,594.98x = 548,682.38 × 216,306.87
  4. Step 4: Simplify right side
    397,594.98x = 118,683,767,160.42
  5. Step 5: Solve for x
    x = 118,683,767,160.42/397,594.98
  6. Step 6: Final answer
    x = 298,504.19

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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.