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Finding the Fourth Proportional to 332,809.29, 459,317.27 and 187,643.03

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Solution

The fourth proportional to 332,809.29, 459,317.27 and 187,643.03 is: 258,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,809.29 : 459,317.27 = 187,643.03 : x
  2. Step 2: Convert to fraction form
    332,809.29/459,317.27 = 187,643.03/x
  3. Step 3: Cross multiply
    332,809.29x = 459,317.27 × 187,643.03
  4. Step 4: Simplify right side
    332,809.29x = 86,187,684,250.82
  5. Step 5: Solve for x
    x = 86,187,684,250.82/332,809.29
  6. Step 6: Final answer
    x = 258,970.19

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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.