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Finding the Fourth Proportional to 604,507.20, 906,811.56 and 183,786.72

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Solution

The fourth proportional to 604,507.20, 906,811.56 and 183,786.72 is: 275,695.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,507.20 : 906,811.56 = 183,786.72 : x
  2. Step 2: Convert to fraction form
    604,507.20/906,811.56 = 183,786.72/x
  3. Step 3: Cross multiply
    604,507.20x = 906,811.56 × 183,786.72
  4. Step 4: Simplify right side
    604,507.20x = 166,659,922,270.48
  5. Step 5: Solve for x
    x = 166,659,922,270.48/604,507.20
  6. Step 6: Final answer
    x = 275,695.51

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Double scale
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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.