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Finding the Fourth Proportional to 551,347.60, 827,215.80 and 531,907.60

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Solution

The fourth proportional to 551,347.60, 827,215.80 and 531,907.60 is: 798,048.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,347.60 : 827,215.80 = 531,907.60 : x
  2. Step 2: Convert to fraction form
    551,347.60/827,215.80 = 531,907.60/x
  3. Step 3: Cross multiply
    551,347.60x = 827,215.80 × 531,907.60
  4. Step 4: Simplify right side
    551,347.60x = 440,002,370,860.08
  5. Step 5: Solve for x
    x = 440,002,370,860.08/551,347.60
  6. Step 6: Final answer
    x = 798,048.95

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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.