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Finding the Fourth Proportional to 577,684.36, 866,952.22 and 274,079.64

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Solution

The fourth proportional to 577,684.36, 866,952.22 and 274,079.64 is: 411,321.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,684.36 : 866,952.22 = 274,079.64 : x
  2. Step 2: Convert to fraction form
    577,684.36/866,952.22 = 274,079.64/x
  3. Step 3: Cross multiply
    577,684.36x = 866,952.22 × 274,079.64
  4. Step 4: Simplify right side
    577,684.36x = 237,613,952,354.80
  5. Step 5: Solve for x
    x = 237,613,952,354.80/577,684.36
  6. Step 6: Final answer
    x = 411,321.42

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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.