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Finding the Fourth Proportional to 589,081.25, 883,604.21 and 162,643.12

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Solution

The fourth proportional to 589,081.25, 883,604.21 and 162,643.12 is: 243,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,081.25 : 883,604.21 = 162,643.12 : x
  2. Step 2: Convert to fraction form
    589,081.25/883,604.21 = 162,643.12/x
  3. Step 3: Cross multiply
    589,081.25x = 883,604.21 × 162,643.12
  4. Step 4: Simplify right side
    589,081.25x = 143,712,142,537.31
  5. Step 5: Solve for x
    x = 143,712,142,537.31/589,081.25
  6. Step 6: Final answer
    x = 243,959.80

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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.