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Finding the Fourth Proportional to 551,368.60, 827,247.30 and 531,928.60

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Solution

The fourth proportional to 551,368.60, 827,247.30 and 531,928.60 is: 798,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,368.60 : 827,247.30 = 531,928.60 : x
  2. Step 2: Convert to fraction form
    551,368.60/827,247.30 = 531,928.60/x
  3. Step 3: Cross multiply
    551,368.60x = 827,247.30 × 531,928.60
  4. Step 4: Simplify right side
    551,368.60x = 440,036,498,142.78
  5. Step 5: Solve for x
    x = 440,036,498,142.78/551,368.60
  6. Step 6: Final answer
    x = 798,080.45

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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.