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Finding the Fourth Proportional to 314,084.76, 433,448.46 and 174,387.30

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Solution

The fourth proportional to 314,084.76, 433,448.46 and 174,387.30 is: 240,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,084.76 : 433,448.46 = 174,387.30 : x
  2. Step 2: Convert to fraction form
    314,084.76/433,448.46 = 174,387.30/x
  3. Step 3: Cross multiply
    314,084.76x = 433,448.46 × 174,387.30
  4. Step 4: Simplify right side
    314,084.76x = 75,587,906,628.56
  5. Step 5: Solve for x
    x = 75,587,906,628.56/314,084.76
  6. Step 6: Final answer
    x = 240,660.85

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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.