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Finding the Fourth Proportional to 302,866.56, 454,364.64 and 92,520

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Solution

The fourth proportional to 302,866.56, 454,364.64 and 92,520 is: 138,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,866.56 : 454,364.64 = 92,520 : x
  2. Step 2: Convert to fraction form
    302,866.56/454,364.64 = 92,520/x
  3. Step 3: Cross multiply
    302,866.56x = 454,364.64 × 92,520
  4. Step 4: Simplify right side
    302,866.56x = 42,037,816,492.80
  5. Step 5: Solve for x
    x = 42,037,816,492.80/302,866.56
  6. Step 6: Final answer
    x = 138,799.80

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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.