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Finding the Fourth Proportional to 632,181.76, 873,129.37 and 425,089.87

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Solution

The fourth proportional to 632,181.76, 873,129.37 and 425,089.87 is: 587,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,181.76 : 873,129.37 = 425,089.87 : x
  2. Step 2: Convert to fraction form
    632,181.76/873,129.37 = 425,089.87/x
  3. Step 3: Cross multiply
    632,181.76x = 873,129.37 × 425,089.87
  4. Step 4: Simplify right side
    632,181.76x = 371,158,450,386.48
  5. Step 5: Solve for x
    x = 371,158,450,386.48/632,181.76
  6. Step 6: Final answer
    x = 587,107.18

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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.