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Finding the Fourth Proportional to 262,419.20, 393,225.60 and 195,545.60

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Solution

The fourth proportional to 262,419.20, 393,225.60 and 195,545.60 is: 293,017.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,419.20 : 393,225.60 = 195,545.60 : x
  2. Step 2: Convert to fraction form
    262,419.20/393,225.60 = 195,545.60/x
  3. Step 3: Cross multiply
    262,419.20x = 393,225.60 × 195,545.60
  4. Step 4: Simplify right side
    262,419.20x = 76,893,535,887.36
  5. Step 5: Solve for x
    x = 76,893,535,887.36/262,419.20
  6. Step 6: Final answer
    x = 293,017.95

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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.