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Finding the Fourth Proportional to 238,982.40, 330,091.20 and 175,219.20

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Solution

The fourth proportional to 238,982.40, 330,091.20 and 175,219.20 is: 242,019.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,982.40 : 330,091.20 = 175,219.20 : x
  2. Step 2: Convert to fraction form
    238,982.40/330,091.20 = 175,219.20/x
  3. Step 3: Cross multiply
    238,982.40x = 330,091.20 × 175,219.20
  4. Step 4: Simplify right side
    238,982.40x = 57,838,315,991.04
  5. Step 5: Solve for x
    x = 57,838,315,991.04/238,982.40
  6. Step 6: Final answer
    x = 242,019.14

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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.