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Finding the Fourth Proportional to 458,033.72, 687,054.99 and 173,647.79

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Solution

The fourth proportional to 458,033.72, 687,054.99 and 173,647.79 is: 260,473.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,033.72 : 687,054.99 = 173,647.79 : x
  2. Step 2: Convert to fraction form
    458,033.72/687,054.99 = 173,647.79/x
  3. Step 3: Cross multiply
    458,033.72x = 687,054.99 × 173,647.79
  4. Step 4: Simplify right side
    458,033.72x = 119,305,577,186.70
  5. Step 5: Solve for x
    x = 119,305,577,186.70/458,033.72
  6. Step 6: Final answer
    x = 260,473.35

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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.