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Finding the Fourth Proportional to 331,083.60, 496,625.40 and 173,360.40

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Solution

The fourth proportional to 331,083.60, 496,625.40 and 173,360.40 is: 260,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,083.60 : 496,625.40 = 173,360.40 : x
  2. Step 2: Convert to fraction form
    331,083.60/496,625.40 = 173,360.40/x
  3. Step 3: Cross multiply
    331,083.60x = 496,625.40 × 173,360.40
  4. Step 4: Simplify right side
    331,083.60x = 86,095,177,994.16
  5. Step 5: Solve for x
    x = 86,095,177,994.16/331,083.60
  6. Step 6: Final answer
    x = 260,040.60

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1.5x scale

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.