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Finding the Fourth Proportional to 244,428, 364,969.86 and 218,963.12

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Solution

The fourth proportional to 244,428, 364,969.86 and 218,963.12 is: 326,946.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,428 : 364,969.86 = 218,963.12 : x
  2. Step 2: Convert to fraction form
    244,428/364,969.86 = 218,963.12/x
  3. Step 3: Cross multiply
    244,428x = 364,969.86 × 218,963.12
  4. Step 4: Simplify right side
    244,428x = 79,914,939,251.56
  5. Step 5: Solve for x
    x = 79,914,939,251.56/244,428
  6. Step 6: Final answer
    x = 326,946.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.