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Finding the Fourth Proportional to 302,706.60, 454,043.43 and 92,328

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Solution

The fourth proportional to 302,706.60, 454,043.43 and 92,328 is: 138,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,706.60 : 454,043.43 = 92,328 : x
  2. Step 2: Convert to fraction form
    302,706.60/454,043.43 = 92,328/x
  3. Step 3: Cross multiply
    302,706.60x = 454,043.43 × 92,328
  4. Step 4: Simplify right side
    302,706.60x = 41,920,921,805.04
  5. Step 5: Solve for x
    x = 41,920,921,805.04/302,706.60
  6. Step 6: Final answer
    x = 138,486.98

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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.