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Finding the Fourth Proportional to 551,041.98, 825,773.61 and 313,894.98

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Solution

The fourth proportional to 551,041.98, 825,773.61 and 313,894.98 is: 470,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,041.98 : 825,773.61 = 313,894.98 : x
  2. Step 2: Convert to fraction form
    551,041.98/825,773.61 = 313,894.98/x
  3. Step 3: Cross multiply
    551,041.98x = 825,773.61 × 313,894.98
  4. Step 4: Simplify right side
    551,041.98x = 259,206,190,795.48
  5. Step 5: Solve for x
    x = 259,206,190,795.48/551,041.98
  6. Step 6: Final answer
    x = 470,392.82

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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.