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Finding the Fourth Proportional to 577,617.90, 866,410.65 and 262,074.30

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Solution

The fourth proportional to 577,617.90, 866,410.65 and 262,074.30 is: 393,104.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,617.90 : 866,410.65 = 262,074.30 : x
  2. Step 2: Convert to fraction form
    577,617.90/866,410.65 = 262,074.30/x
  3. Step 3: Cross multiply
    577,617.90x = 866,410.65 × 262,074.30
  4. Step 4: Simplify right side
    577,617.90x = 227,063,964,611.30
  5. Step 5: Solve for x
    x = 227,063,964,611.30/577,617.90
  6. Step 6: Final answer
    x = 393,104.10

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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.