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Finding the Fourth Proportional to 302,656.78, 453,983.95 and 92,294.11

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Solution

The fourth proportional to 302,656.78, 453,983.95 and 92,294.11 is: 138,440.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,656.78 : 453,983.95 = 92,294.11 : x
  2. Step 2: Convert to fraction form
    302,656.78/453,983.95 = 92,294.11/x
  3. Step 3: Cross multiply
    302,656.78x = 453,983.95 × 92,294.11
  4. Step 4: Simplify right side
    302,656.78x = 41,900,041,888.14
  5. Step 5: Solve for x
    x = 41,900,041,888.14/302,656.78
  6. Step 6: Final answer
    x = 138,440.79

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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.