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Finding the Fourth Proportional to 233,800.80, 350,470.80 and 115,490.40

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Solution

The fourth proportional to 233,800.80, 350,470.80 and 115,490.40 is: 173,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,800.80 : 350,470.80 = 115,490.40 : x
  2. Step 2: Convert to fraction form
    233,800.80/350,470.80 = 115,490.40/x
  3. Step 3: Cross multiply
    233,800.80x = 350,470.80 × 115,490.40
  4. Step 4: Simplify right side
    233,800.80x = 40,476,012,880.32
  5. Step 5: Solve for x
    x = 40,476,012,880.32/233,800.80
  6. Step 6: Final answer
    x = 173,121.79

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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.