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Finding the Fourth Proportional to 551,777.40, 827,666.10 and 236,266.20

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Solution

The fourth proportional to 551,777.40, 827,666.10 and 236,266.20 is: 354,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,777.40 : 827,666.10 = 236,266.20 : x
  2. Step 2: Convert to fraction form
    551,777.40/827,666.10 = 236,266.20/x
  3. Step 3: Cross multiply
    551,777.40x = 827,666.10 × 236,266.20
  4. Step 4: Simplify right side
    551,777.40x = 195,549,524,315.82
  5. Step 5: Solve for x
    x = 195,549,524,315.82/551,777.40
  6. Step 6: Final answer
    x = 354,399.30

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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.