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Finding the Fourth Proportional to 302,176.34, 417,145.95 and 191,850.39

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Solution

The fourth proportional to 302,176.34, 417,145.95 and 191,850.39 is: 264,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,176.34 : 417,145.95 = 191,850.39 : x
  2. Step 2: Convert to fraction form
    302,176.34/417,145.95 = 191,850.39/x
  3. Step 3: Cross multiply
    302,176.34x = 417,145.95 × 191,850.39
  4. Step 4: Simplify right side
    302,176.34x = 80,029,613,194.42
  5. Step 5: Solve for x
    x = 80,029,613,194.42/302,176.34
  6. Step 6: Final answer
    x = 264,844.08

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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.