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Finding the Fourth Proportional to 308,570.68, 462,914.40 and 108,868.40

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Solution

The fourth proportional to 308,570.68, 462,914.40 and 108,868.40 is: 163,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,570.68 : 462,914.40 = 108,868.40 : x
  2. Step 2: Convert to fraction form
    308,570.68/462,914.40 = 108,868.40/x
  3. Step 3: Cross multiply
    308,570.68x = 462,914.40 × 108,868.40
  4. Step 4: Simplify right side
    308,570.68x = 50,396,750,064.96
  5. Step 5: Solve for x
    x = 50,396,750,064.96/308,570.68
  6. Step 6: Final answer
    x = 163,323.20

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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.