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Finding the Fourth Proportional to 365,383.19, 504,292.97 and 212,468.69

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Solution

The fourth proportional to 365,383.19, 504,292.97 and 212,468.69 is: 293,244.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,383.19 : 504,292.97 = 212,468.69 : x
  2. Step 2: Convert to fraction form
    365,383.19/504,292.97 = 212,468.69/x
  3. Step 3: Cross multiply
    365,383.19x = 504,292.97 × 212,468.69
  4. Step 4: Simplify right side
    365,383.19x = 107,146,466,712.11
  5. Step 5: Solve for x
    x = 107,146,466,712.11/365,383.19
  6. Step 6: Final answer
    x = 293,244.11

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Double scale
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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.