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Finding the Fourth Proportional to 574,866.72, 793,334.05 and 329,896.30

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Solution

The fourth proportional to 574,866.72, 793,334.05 and 329,896.30 is: 455,267.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,866.72 : 793,334.05 = 329,896.30 : x
  2. Step 2: Convert to fraction form
    574,866.72/793,334.05 = 329,896.30/x
  3. Step 3: Cross multiply
    574,866.72x = 793,334.05 × 329,896.30
  4. Step 4: Simplify right side
    574,866.72x = 261,717,966,600.42
  5. Step 5: Solve for x
    x = 261,717,966,600.42/574,866.72
  6. Step 6: Final answer
    x = 455,267.21

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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.