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Finding the Fourth Proportional to 372,243, 513,695.58 and 211,046.52

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Solution

The fourth proportional to 372,243, 513,695.58 and 211,046.52 is: 291,244.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,243 : 513,695.58 = 211,046.52 : x
  2. Step 2: Convert to fraction form
    372,243/513,695.58 = 211,046.52/x
  3. Step 3: Cross multiply
    372,243x = 513,695.58 × 211,046.52
  4. Step 4: Simplify right side
    372,243x = 108,413,664,498.38
  5. Step 5: Solve for x
    x = 108,413,664,498.38/372,243
  6. Step 6: Final answer
    x = 291,244.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.