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Finding the Fourth Proportional to 536,719.92, 740,679.24 and 291,704.70

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Solution

The fourth proportional to 536,719.92, 740,679.24 and 291,704.70 is: 402,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,719.92 : 740,679.24 = 291,704.70 : x
  2. Step 2: Convert to fraction form
    536,719.92/740,679.24 = 291,704.70/x
  3. Step 3: Cross multiply
    536,719.92x = 740,679.24 × 291,704.70
  4. Step 4: Simplify right side
    536,719.92x = 216,059,615,500.43
  5. Step 5: Solve for x
    x = 216,059,615,500.43/536,719.92
  6. Step 6: Final answer
    x = 402,555.61

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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.