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Finding the Fourth Proportional to 226,370.84, 312,391.76 and 130,883.69

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Solution

The fourth proportional to 226,370.84, 312,391.76 and 130,883.69 is: 180,619.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,370.84 : 312,391.76 = 130,883.69 : x
  2. Step 2: Convert to fraction form
    226,370.84/312,391.76 = 130,883.69/x
  3. Step 3: Cross multiply
    226,370.84x = 312,391.76 × 130,883.69
  4. Step 4: Simplify right side
    226,370.84x = 40,886,986,274.39
  5. Step 5: Solve for x
    x = 40,886,986,274.39/226,370.84
  6. Step 6: Final answer
    x = 180,619.49

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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.