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Finding the Fourth Proportional to 302,957.63, 454,436.45 and 92,593.74

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Solution

The fourth proportional to 302,957.63, 454,436.45 and 92,593.74 is: 138,890.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,957.63 : 454,436.45 = 92,593.74 : x
  2. Step 2: Convert to fraction form
    302,957.63/454,436.45 = 92,593.74/x
  3. Step 3: Cross multiply
    302,957.63x = 454,436.45 × 92,593.74
  4. Step 4: Simplify right side
    302,957.63x = 42,077,970,497.82
  5. Step 5: Solve for x
    x = 42,077,970,497.82/302,957.63
  6. Step 6: Final answer
    x = 138,890.61

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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.