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Finding the Fourth Proportional to 354,801.60, 531,327.60 and 235,828.80

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Solution

The fourth proportional to 354,801.60, 531,327.60 and 235,828.80 is: 353,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,801.60 : 531,327.60 = 235,828.80 : x
  2. Step 2: Convert to fraction form
    354,801.60/531,327.60 = 235,828.80/x
  3. Step 3: Cross multiply
    354,801.60x = 531,327.60 × 235,828.80
  4. Step 4: Simplify right side
    354,801.60x = 125,302,350,314.88
  5. Step 5: Solve for x
    x = 125,302,350,314.88/354,801.60
  6. Step 6: Final answer
    x = 353,161.74

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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.