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Finding the Fourth Proportional to 604,345.27, 906,419.37 and 177,781.33

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Solution

The fourth proportional to 604,345.27, 906,419.37 and 177,781.33 is: 266,643.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,345.27 : 906,419.37 = 177,781.33 : x
  2. Step 2: Convert to fraction form
    604,345.27/906,419.37 = 177,781.33/x
  3. Step 3: Cross multiply
    604,345.27x = 906,419.37 × 177,781.33
  4. Step 4: Simplify right side
    604,345.27x = 161,144,441,136.36
  5. Step 5: Solve for x
    x = 161,144,441,136.36/604,345.27
  6. Step 6: Final answer
    x = 266,643.01

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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.