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Finding the Fourth Proportional to 229,496.40, 344,244.60 and 79,686.90

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Solution

The fourth proportional to 229,496.40, 344,244.60 and 79,686.90 is: 119,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,496.40 : 344,244.60 = 79,686.90 : x
  2. Step 2: Convert to fraction form
    229,496.40/344,244.60 = 79,686.90/x
  3. Step 3: Cross multiply
    229,496.40x = 344,244.60 × 79,686.90
  4. Step 4: Simplify right side
    229,496.40x = 27,431,785,015.74
  5. Step 5: Solve for x
    x = 27,431,785,015.74/229,496.40
  6. Step 6: Final answer
    x = 119,530.35

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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.