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Finding the Fourth Proportional to 324,113.90, 485,551.20 and 174,304.40

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Solution

The fourth proportional to 324,113.90, 485,551.20 and 174,304.40 is: 261,123.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,113.90 : 485,551.20 = 174,304.40 : x
  2. Step 2: Convert to fraction form
    324,113.90/485,551.20 = 174,304.40/x
  3. Step 3: Cross multiply
    324,113.90x = 485,551.20 × 174,304.40
  4. Step 4: Simplify right side
    324,113.90x = 84,633,710,585.28
  5. Step 5: Solve for x
    x = 84,633,710,585.28/324,113.90
  6. Step 6: Final answer
    x = 261,123.36

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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.