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Finding the Fourth Proportional to 354,923.60, 531,510.60 and 235,950.80

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Solution

The fourth proportional to 354,923.60, 531,510.60 and 235,950.80 is: 353,344.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,923.60 : 531,510.60 = 235,950.80 : x
  2. Step 2: Convert to fraction form
    354,923.60/531,510.60 = 235,950.80/x
  3. Step 3: Cross multiply
    354,923.60x = 531,510.60 × 235,950.80
  4. Step 4: Simplify right side
    354,923.60x = 125,410,351,278.48
  5. Step 5: Solve for x
    x = 125,410,351,278.48/354,923.60
  6. Step 6: Final answer
    x = 353,344.64

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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.