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Finding the Fourth Proportional to 295,683.80, 408,043.80 and 159,717.74

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Solution

The fourth proportional to 295,683.80, 408,043.80 and 159,717.74 is: 220,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,683.80 : 408,043.80 = 159,717.74 : x
  2. Step 2: Convert to fraction form
    295,683.80/408,043.80 = 159,717.74/x
  3. Step 3: Cross multiply
    295,683.80x = 408,043.80 × 159,717.74
  4. Step 4: Simplify right side
    295,683.80x = 65,171,834,277.65
  5. Step 5: Solve for x
    x = 65,171,834,277.65/295,683.80
  6. Step 6: Final answer
    x = 220,410.57

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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.