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Finding the Fourth Proportional to 536,650.64, 804,967.72 and 137,288.04

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Solution

The fourth proportional to 536,650.64, 804,967.72 and 137,288.04 is: 205,929.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,650.64 : 804,967.72 = 137,288.04 : x
  2. Step 2: Convert to fraction form
    536,650.64/804,967.72 = 137,288.04/x
  3. Step 3: Cross multiply
    536,650.64x = 804,967.72 × 137,288.04
  4. Step 4: Simplify right side
    536,650.64x = 110,512,440,542.07
  5. Step 5: Solve for x
    x = 110,512,440,542.07/536,650.64
  6. Step 6: Final answer
    x = 205,929.95

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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.