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Finding the Fourth Proportional to 264,855.98, 365,508.42 and 144,005.38

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Solution

The fourth proportional to 264,855.98, 365,508.42 and 144,005.38 is: 198,731.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,855.98 : 365,508.42 = 144,005.38 : x
  2. Step 2: Convert to fraction form
    264,855.98/365,508.42 = 144,005.38/x
  3. Step 3: Cross multiply
    264,855.98x = 365,508.42 × 144,005.38
  4. Step 4: Simplify right side
    264,855.98x = 52,635,178,915.30
  5. Step 5: Solve for x
    x = 52,635,178,915.30/264,855.98
  6. Step 6: Final answer
    x = 198,731.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.