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Finding the Fourth Proportional to 295,880.70, 408,314.40 and 159,914.22

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Solution

The fourth proportional to 295,880.70, 408,314.40 and 159,914.22 is: 220,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,880.70 : 408,314.40 = 159,914.22 : x
  2. Step 2: Convert to fraction form
    295,880.70/408,314.40 = 159,914.22/x
  3. Step 3: Cross multiply
    295,880.70x = 408,314.40 × 159,914.22
  4. Step 4: Simplify right side
    295,880.70x = 65,295,278,790.77
  5. Step 5: Solve for x
    x = 65,295,278,790.77/295,880.70
  6. Step 6: Final answer
    x = 220,681.10

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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.