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Finding the Fourth Proportional to 282,022.88, 422,203.20 and 247,030.88

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Solution

The fourth proportional to 282,022.88, 422,203.20 and 247,030.88 is: 369,818.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,022.88 : 422,203.20 = 247,030.88 : x
  2. Step 2: Convert to fraction form
    282,022.88/422,203.20 = 247,030.88/x
  3. Step 3: Cross multiply
    282,022.88x = 422,203.20 × 247,030.88
  4. Step 4: Simplify right side
    282,022.88x = 104,297,228,034.82
  5. Step 5: Solve for x
    x = 104,297,228,034.82/282,022.88
  6. Step 6: Final answer
    x = 369,818.32

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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.