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Finding the Fourth Proportional to 450,073.26, 621,166.32 and 259,084.98

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Solution

The fourth proportional to 450,073.26, 621,166.32 and 259,084.98 is: 357,574.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,073.26 : 621,166.32 = 259,084.98 : x
  2. Step 2: Convert to fraction form
    450,073.26/621,166.32 = 259,084.98/x
  3. Step 3: Cross multiply
    450,073.26x = 621,166.32 × 259,084.98
  4. Step 4: Simplify right side
    450,073.26x = 160,934,863,593.87
  5. Step 5: Solve for x
    x = 160,934,863,593.87/450,073.26
  6. Step 6: Final answer
    x = 357,574.82

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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.