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Finding the Fourth Proportional to 551,459.80, 827,189.70 and 501,596.20

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Solution

The fourth proportional to 551,459.80, 827,189.70 and 501,596.20 is: 752,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,459.80 : 827,189.70 = 501,596.20 : x
  2. Step 2: Convert to fraction form
    551,459.80/827,189.70 = 501,596.20/x
  3. Step 3: Cross multiply
    551,459.80x = 827,189.70 × 501,596.20
  4. Step 4: Simplify right side
    551,459.80x = 414,915,210,199.14
  5. Step 5: Solve for x
    x = 414,915,210,199.14/551,459.80
  6. Step 6: Final answer
    x = 752,394.30

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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.