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Finding the Fourth Proportional to 566,687.80, 850,687.80 and 342,301.60

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Solution

The fourth proportional to 566,687.80, 850,687.80 and 342,301.60 is: 513,848.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,687.80 : 850,687.80 = 342,301.60 : x
  2. Step 2: Convert to fraction form
    566,687.80/850,687.80 = 342,301.60/x
  3. Step 3: Cross multiply
    566,687.80x = 850,687.80 × 342,301.60
  4. Step 4: Simplify right side
    566,687.80x = 291,191,795,040.48
  5. Step 5: Solve for x
    x = 291,191,795,040.48/566,687.80
  6. Step 6: Final answer
    x = 513,848.71

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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.