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Finding the Fourth Proportional to 326,491.58, 489,843.22 and 160,162.94

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Solution

The fourth proportional to 326,491.58, 489,843.22 and 160,162.94 is: 240,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,491.58 : 489,843.22 = 160,162.94 : x
  2. Step 2: Convert to fraction form
    326,491.58/489,843.22 = 160,162.94/x
  3. Step 3: Cross multiply
    326,491.58x = 489,843.22 × 160,162.94
  4. Step 4: Simplify right side
    326,491.58x = 78,454,730,254.27
  5. Step 5: Solve for x
    x = 78,454,730,254.27/326,491.58
  6. Step 6: Final answer
    x = 240,296.34

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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.