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Finding the Fourth Proportional to 358,959.90, 538,336.17 and 122,297.34

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Solution

The fourth proportional to 358,959.90, 538,336.17 and 122,297.34 is: 183,410.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,959.90 : 538,336.17 = 122,297.34 : x
  2. Step 2: Convert to fraction form
    358,959.90/538,336.17 = 122,297.34/x
  3. Step 3: Cross multiply
    358,959.90x = 538,336.17 × 122,297.34
  4. Step 4: Simplify right side
    358,959.90x = 65,837,081,616.79
  5. Step 5: Solve for x
    x = 65,837,081,616.79/358,959.90
  6. Step 6: Final answer
    x = 183,410.69

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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.