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Finding the Fourth Proportional to 284,526.80, 426,818.91 and 92,393.18

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Solution

The fourth proportional to 284,526.80, 426,818.91 and 92,393.18 is: 138,599.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,526.80 : 426,818.91 = 92,393.18 : x
  2. Step 2: Convert to fraction form
    284,526.80/426,818.91 = 92,393.18/x
  3. Step 3: Cross multiply
    284,526.80x = 426,818.91 × 92,393.18
  4. Step 4: Simplify right side
    284,526.80x = 39,435,154,244.94
  5. Step 5: Solve for x
    x = 39,435,154,244.94/284,526.80
  6. Step 6: Final answer
    x = 138,599.09

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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.