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Finding the Fourth Proportional to 302,798.38, 454,269.39 and 92,423.02

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Solution

The fourth proportional to 302,798.38, 454,269.39 and 92,423.02 is: 138,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,798.38 : 454,269.39 = 92,423.02 : x
  2. Step 2: Convert to fraction form
    302,798.38/454,269.39 = 92,423.02/x
  3. Step 3: Cross multiply
    302,798.38x = 454,269.39 × 92,423.02
  4. Step 4: Simplify right side
    302,798.38x = 41,984,948,917.36
  5. Step 5: Solve for x
    x = 41,984,948,917.36/302,798.38
  6. Step 6: Final answer
    x = 138,656.45

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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.