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Finding the Fourth Proportional to 440,521.72, 608,212.46 and 338,364.52

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Solution

The fourth proportional to 440,521.72, 608,212.46 and 338,364.52 is: 467,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,521.72 : 608,212.46 = 338,364.52 : x
  2. Step 2: Convert to fraction form
    440,521.72/608,212.46 = 338,364.52/x
  3. Step 3: Cross multiply
    440,521.72x = 608,212.46 × 338,364.52
  4. Step 4: Simplify right side
    440,521.72x = 205,797,517,085.92
  5. Step 5: Solve for x
    x = 205,797,517,085.92/440,521.72
  6. Step 6: Final answer
    x = 467,167.70

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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.