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Finding the Fourth Proportional to 357,734.40, 536,601.60 and 231,763.20

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Solution

The fourth proportional to 357,734.40, 536,601.60 and 231,763.20 is: 347,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,734.40 : 536,601.60 = 231,763.20 : x
  2. Step 2: Convert to fraction form
    357,734.40/536,601.60 = 231,763.20/x
  3. Step 3: Cross multiply
    357,734.40x = 536,601.60 × 231,763.20
  4. Step 4: Simplify right side
    357,734.40x = 124,364,503,941.12
  5. Step 5: Solve for x
    x = 124,364,503,941.12/357,734.40
  6. Step 6: Final answer
    x = 347,644.80

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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.