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Finding the Fourth Proportional to 234,078.60, 350,243.10 and 155,346.60

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Solution

The fourth proportional to 234,078.60, 350,243.10 and 155,346.60 is: 232,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,078.60 : 350,243.10 = 155,346.60 : x
  2. Step 2: Convert to fraction form
    234,078.60/350,243.10 = 155,346.60/x
  3. Step 3: Cross multiply
    234,078.60x = 350,243.10 × 155,346.60
  4. Step 4: Simplify right side
    234,078.60x = 54,409,074,758.46
  5. Step 5: Solve for x
    x = 54,409,074,758.46/234,078.60
  6. Step 6: Final answer
    x = 232,439.34

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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.