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Finding the Fourth Proportional to 366,211.74, 505,423.38 and 264,566.04

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Solution

The fourth proportional to 366,211.74, 505,423.38 and 264,566.04 is: 365,138.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,211.74 : 505,423.38 = 264,566.04 : x
  2. Step 2: Convert to fraction form
    366,211.74/505,423.38 = 264,566.04/x
  3. Step 3: Cross multiply
    366,211.74x = 505,423.38 × 264,566.04
  4. Step 4: Simplify right side
    366,211.74x = 133,717,862,170.02
  5. Step 5: Solve for x
    x = 133,717,862,170.02/366,211.74
  6. Step 6: Final answer
    x = 365,138.11

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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.