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Finding the Fourth Proportional to 332,776.54, 499,037.23 and 261,838.77

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Solution

The fourth proportional to 332,776.54, 499,037.23 and 261,838.77 is: 392,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,776.54 : 499,037.23 = 261,838.77 : x
  2. Step 2: Convert to fraction form
    332,776.54/499,037.23 = 261,838.77/x
  3. Step 3: Cross multiply
    332,776.54x = 499,037.23 × 261,838.77
  4. Step 4: Simplify right side
    332,776.54x = 130,667,294,487.41
  5. Step 5: Solve for x
    x = 130,667,294,487.41/332,776.54
  6. Step 6: Final answer
    x = 392,657.77

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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.