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Finding the Fourth Proportional to 406,793.98, 561,437.83 and 259,682.39

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Solution

The fourth proportional to 406,793.98, 561,437.83 and 259,682.39 is: 358,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,793.98 : 561,437.83 = 259,682.39 : x
  2. Step 2: Convert to fraction form
    406,793.98/561,437.83 = 259,682.39/x
  3. Step 3: Cross multiply
    406,793.98x = 561,437.83 × 259,682.39
  4. Step 4: Simplify right side
    406,793.98x = 145,795,517,153.62
  5. Step 5: Solve for x
    x = 145,795,517,153.62/406,793.98
  6. Step 6: Final answer
    x = 358,401.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.