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Finding the Fourth Proportional to 603,203.82, 832,744.45 and 465,081.08

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Solution

The fourth proportional to 603,203.82, 832,744.45 and 465,081.08 is: 642,061.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,203.82 : 832,744.45 = 465,081.08 : x
  2. Step 2: Convert to fraction form
    603,203.82/832,744.45 = 465,081.08/x
  3. Step 3: Cross multiply
    603,203.82x = 832,744.45 × 465,081.08
  4. Step 4: Simplify right side
    603,203.82x = 387,293,682,843.58
  5. Step 5: Solve for x
    x = 387,293,682,843.58/603,203.82
  6. Step 6: Final answer
    x = 642,061.06

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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.