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Finding the Fourth Proportional to 469,223.60, 704,872.20 and 329,255.60

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Solution

The fourth proportional to 469,223.60, 704,872.20 and 329,255.60 is: 494,610.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,223.60 : 704,872.20 = 329,255.60 : x
  2. Step 2: Convert to fraction form
    469,223.60/704,872.20 = 329,255.60/x
  3. Step 3: Cross multiply
    469,223.60x = 704,872.20 × 329,255.60
  4. Step 4: Simplify right side
    469,223.60x = 232,083,119,134.32
  5. Step 5: Solve for x
    x = 232,083,119,134.32/469,223.60
  6. Step 6: Final answer
    x = 494,610.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.