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Finding the Fourth Proportional to 604,085.75, 906,124.55 and 205,007.48

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Solution

The fourth proportional to 604,085.75, 906,124.55 and 205,007.48 is: 307,509.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,085.75 : 906,124.55 = 205,007.48 : x
  2. Step 2: Convert to fraction form
    604,085.75/906,124.55 = 205,007.48/x
  3. Step 3: Cross multiply
    604,085.75x = 906,124.55 × 205,007.48
  4. Step 4: Simplify right side
    604,085.75x = 185,762,305,005.97
  5. Step 5: Solve for x
    x = 185,762,305,005.97/604,085.75
  6. Step 6: Final answer
    x = 307,509.83

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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.