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Finding the Fourth Proportional to 284,344.97, 426,518.66 and 73,967.72

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Solution

The fourth proportional to 284,344.97, 426,518.66 and 73,967.72 is: 110,951.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,344.97 : 426,518.66 = 73,967.72 : x
  2. Step 2: Convert to fraction form
    284,344.97/426,518.66 = 73,967.72/x
  3. Step 3: Cross multiply
    284,344.97x = 426,518.66 × 73,967.72
  4. Step 4: Simplify right side
    284,344.97x = 31,548,610,869.98
  5. Step 5: Solve for x
    x = 31,548,610,869.98/284,344.97
  6. Step 6: Final answer
    x = 110,951.89

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1.5x scale

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.