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Finding the Fourth Proportional to 358,882.72, 538,407.44 and 122,227.44

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Solution

The fourth proportional to 358,882.72, 538,407.44 and 122,227.44 is: 183,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,882.72 : 538,407.44 = 122,227.44 : x
  2. Step 2: Convert to fraction form
    358,882.72/538,407.44 = 122,227.44/x
  3. Step 3: Cross multiply
    358,882.72x = 538,407.44 × 122,227.44
  4. Step 4: Simplify right side
    358,882.72x = 65,808,163,068.15
  5. Step 5: Solve for x
    x = 65,808,163,068.15/358,882.72
  6. Step 6: Final answer
    x = 183,369.55

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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.