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Finding the Fourth Proportional to 426,072.72, 588,193.41 and 264,979.68

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Solution

The fourth proportional to 426,072.72, 588,193.41 and 264,979.68 is: 365,804.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,072.72 : 588,193.41 = 264,979.68 : x
  2. Step 2: Convert to fraction form
    426,072.72/588,193.41 = 264,979.68/x
  3. Step 3: Cross multiply
    426,072.72x = 588,193.41 × 264,979.68
  4. Step 4: Simplify right side
    426,072.72x = 155,859,301,559.91
  5. Step 5: Solve for x
    x = 155,859,301,559.91/426,072.72
  6. Step 6: Final answer
    x = 365,804.46

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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.