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Finding the Fourth Proportional to 577,589.40, 866,367.90 and 262,045.80

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Solution

The fourth proportional to 577,589.40, 866,367.90 and 262,045.80 is: 393,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,589.40 : 866,367.90 = 262,045.80 : x
  2. Step 2: Convert to fraction form
    577,589.40/866,367.90 = 262,045.80/x
  3. Step 3: Cross multiply
    577,589.40x = 866,367.90 × 262,045.80
  4. Step 4: Simplify right side
    577,589.40x = 227,028,069,449.82
  5. Step 5: Solve for x
    x = 227,028,069,449.82/577,589.40
  6. Step 6: Final answer
    x = 393,061.35

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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.