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Finding the Fourth Proportional to 511,777.61, 766,091.78 and 333,901.61

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Solution

The fourth proportional to 511,777.61, 766,091.78 and 333,901.61 is: 499,825.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,777.61 : 766,091.78 = 333,901.61 : x
  2. Step 2: Convert to fraction form
    511,777.61/766,091.78 = 333,901.61/x
  3. Step 3: Cross multiply
    511,777.61x = 766,091.78 × 333,901.61
  4. Step 4: Simplify right side
    511,777.61x = 255,799,282,310.11
  5. Step 5: Solve for x
    x = 255,799,282,310.11/511,777.61
  6. Step 6: Final answer
    x = 499,825.07

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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.