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Finding the Fourth Proportional to 310,091.07, 464,458.46 and 219,860.28

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Solution

The fourth proportional to 310,091.07, 464,458.46 and 219,860.28 is: 329,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,091.07 : 464,458.46 = 219,860.28 : x
  2. Step 2: Convert to fraction form
    310,091.07/464,458.46 = 219,860.28/x
  3. Step 3: Cross multiply
    310,091.07x = 464,458.46 × 219,860.28
  4. Step 4: Simplify right side
    310,091.07x = 102,115,967,063.97
  5. Step 5: Solve for x
    x = 102,115,967,063.97/310,091.07
  6. Step 6: Final answer
    x = 329,309.60

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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.