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Finding the Fourth Proportional to 263,925.20, 395,628.60 and 235,931.60

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Solution

The fourth proportional to 263,925.20, 395,628.60 and 235,931.60 is: 353,665.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,925.20 : 395,628.60 = 235,931.60 : x
  2. Step 2: Convert to fraction form
    263,925.20/395,628.60 = 235,931.60/x
  3. Step 3: Cross multiply
    263,925.20x = 395,628.60 × 235,931.60
  4. Step 4: Simplify right side
    263,925.20x = 93,341,288,603.76
  5. Step 5: Solve for x
    x = 93,341,288,603.76/263,925.20
  6. Step 6: Final answer
    x = 353,665.69

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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.