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Finding the Fourth Proportional to 227,339.56, 313,629.06 and 216,798.76

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Solution

The fourth proportional to 227,339.56, 313,629.06 and 216,798.76 is: 299,087.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,339.56 : 313,629.06 = 216,798.76 : x
  2. Step 2: Convert to fraction form
    227,339.56/313,629.06 = 216,798.76/x
  3. Step 3: Cross multiply
    227,339.56x = 313,629.06 × 216,798.76
  4. Step 4: Simplify right side
    227,339.56x = 67,994,391,307.97
  5. Step 5: Solve for x
    x = 67,994,391,307.97/227,339.56
  6. Step 6: Final answer
    x = 299,087.37

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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.