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Finding the Fourth Proportional to 543,785.08, 750,121.04 and 505,297.24

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Solution

The fourth proportional to 543,785.08, 750,121.04 and 505,297.24 is: 697,029.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,785.08 : 750,121.04 = 505,297.24 : x
  2. Step 2: Convert to fraction form
    543,785.08/750,121.04 = 505,297.24/x
  3. Step 3: Cross multiply
    543,785.08x = 750,121.04 × 505,297.24
  4. Step 4: Simplify right side
    543,785.08x = 379,034,091,177.93
  5. Step 5: Solve for x
    x = 379,034,091,177.93/543,785.08
  6. Step 6: Final answer
    x = 697,029.22

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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.