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Finding the Fourth Proportional to 664,679.04, 917,252.34 and 362,873.04

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Solution

The fourth proportional to 664,679.04, 917,252.34 and 362,873.04 is: 500,762.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,679.04 : 917,252.34 = 362,873.04 : x
  2. Step 2: Convert to fraction form
    664,679.04/917,252.34 = 362,873.04/x
  3. Step 3: Cross multiply
    664,679.04x = 917,252.34 × 362,873.04
  4. Step 4: Simplify right side
    664,679.04x = 332,846,145,062.91
  5. Step 5: Solve for x
    x = 332,846,145,062.91/664,679.04
  6. Step 6: Final answer
    x = 500,762.21

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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.