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Finding the Fourth Proportional to 493,519.08, 740,278.52 and 269,068.29

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Solution

The fourth proportional to 493,519.08, 740,278.52 and 269,068.29 is: 403,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,519.08 : 740,278.52 = 269,068.29 : x
  2. Step 2: Convert to fraction form
    493,519.08/740,278.52 = 269,068.29/x
  3. Step 3: Cross multiply
    493,519.08x = 740,278.52 × 269,068.29
  4. Step 4: Simplify right side
    493,519.08x = 199,185,474,154.79
  5. Step 5: Solve for x
    x = 199,185,474,154.79/493,519.08
  6. Step 6: Final answer
    x = 403,602.38

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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.