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Finding the Fourth Proportional to 604,004.80, 906,007.36 and 177,540.64

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Solution

The fourth proportional to 604,004.80, 906,007.36 and 177,540.64 is: 266,311.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,004.80 : 906,007.36 = 177,540.64 : x
  2. Step 2: Convert to fraction form
    604,004.80/906,007.36 = 177,540.64/x
  3. Step 3: Cross multiply
    604,004.80x = 906,007.36 × 177,540.64
  4. Step 4: Simplify right side
    604,004.80x = 160,853,126,539.11
  5. Step 5: Solve for x
    x = 160,853,126,539.11/604,004.80
  6. Step 6: Final answer
    x = 266,311.01

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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.