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Finding the Fourth Proportional to 577,623.27, 866,860.62 and 274,018.38

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Solution

The fourth proportional to 577,623.27, 866,860.62 and 274,018.38 is: 411,229.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,623.27 : 866,860.62 = 274,018.38 : x
  2. Step 2: Convert to fraction form
    577,623.27/866,860.62 = 274,018.38/x
  3. Step 3: Cross multiply
    577,623.27x = 866,860.62 × 274,018.38
  4. Step 4: Simplify right side
    577,623.27x = 237,535,742,778.20
  5. Step 5: Solve for x
    x = 237,535,742,778.20/577,623.27
  6. Step 6: Final answer
    x = 411,229.52

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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.