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Finding the Fourth Proportional to 262,326.55, 393,488.36 and 226,679.47

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Solution

The fourth proportional to 262,326.55, 393,488.36 and 226,679.47 is: 340,017.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,326.55 : 393,488.36 = 226,679.47 : x
  2. Step 2: Convert to fraction form
    262,326.55/393,488.36 = 226,679.47/x
  3. Step 3: Cross multiply
    262,326.55x = 393,488.36 × 226,679.47
  4. Step 4: Simplify right side
    262,326.55x = 89,195,732,895.97
  5. Step 5: Solve for x
    x = 89,195,732,895.97/262,326.55
  6. Step 6: Final answer
    x = 340,017.95

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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.