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Finding the Fourth Proportional to 473,998.61, 654,118.03 and 259,138.62

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Solution

The fourth proportional to 473,998.61, 654,118.03 and 259,138.62 is: 357,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,998.61 : 654,118.03 = 259,138.62 : x
  2. Step 2: Convert to fraction form
    473,998.61/654,118.03 = 259,138.62/x
  3. Step 3: Cross multiply
    473,998.61x = 654,118.03 × 259,138.62
  4. Step 4: Simplify right side
    473,998.61x = 169,507,242,095.54
  5. Step 5: Solve for x
    x = 169,507,242,095.54/473,998.61
  6. Step 6: Final answer
    x = 357,611.26

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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.