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Finding the Fourth Proportional to 262,009.60, 393,014.40 and 95,862.40

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Solution

The fourth proportional to 262,009.60, 393,014.40 and 95,862.40 is: 143,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,009.60 : 393,014.40 = 95,862.40 : x
  2. Step 2: Convert to fraction form
    262,009.60/393,014.40 = 95,862.40/x
  3. Step 3: Cross multiply
    262,009.60x = 393,014.40 × 95,862.40
  4. Step 4: Simplify right side
    262,009.60x = 37,675,303,618.56
  5. Step 5: Solve for x
    x = 37,675,303,618.56/262,009.60
  6. Step 6: Final answer
    x = 143,793.60

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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.