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Finding the Fourth Proportional to 403,793.62, 557,235.24 and 234,126.16

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Solution

The fourth proportional to 403,793.62, 557,235.24 and 234,126.16 is: 323,094.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,793.62 : 557,235.24 = 234,126.16 : x
  2. Step 2: Convert to fraction form
    403,793.62/557,235.24 = 234,126.16/x
  3. Step 3: Cross multiply
    403,793.62x = 557,235.24 × 234,126.16
  4. Step 4: Simplify right side
    403,793.62x = 130,463,345,564.79
  5. Step 5: Solve for x
    x = 130,463,345,564.79/403,793.62
  6. Step 6: Final answer
    x = 323,094.13

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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.