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Finding the Fourth Proportional to 551,358.60, 827,232.30 and 531,918.60

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Solution

The fourth proportional to 551,358.60, 827,232.30 and 531,918.60 is: 798,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,358.60 : 827,232.30 = 531,918.60 : x
  2. Step 2: Convert to fraction form
    551,358.60/827,232.30 = 531,918.60/x
  3. Step 3: Cross multiply
    551,358.60x = 827,232.30 × 531,918.60
  4. Step 4: Simplify right side
    551,358.60x = 440,020,246,890.78
  5. Step 5: Solve for x
    x = 440,020,246,890.78/551,358.60
  6. Step 6: Final answer
    x = 798,065.45

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1.5x scale

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.