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Finding the Fourth Proportional to 577,611.24, 866,416.86 and 380,573.16

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Solution

The fourth proportional to 577,611.24, 866,416.86 and 380,573.16 is: 570,859.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,611.24 : 866,416.86 = 380,573.16 : x
  2. Step 2: Convert to fraction form
    577,611.24/866,416.86 = 380,573.16/x
  3. Step 3: Cross multiply
    577,611.24x = 866,416.86 × 380,573.16
  4. Step 4: Simplify right side
    577,611.24x = 329,735,002,287.48
  5. Step 5: Solve for x
    x = 329,735,002,287.48/577,611.24
  6. Step 6: Final answer
    x = 570,859.74

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Similar ratio
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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.