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Finding the Fourth Proportional to 604,084.25, 906,122.30 and 205,005.98

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Solution

The fourth proportional to 604,084.25, 906,122.30 and 205,005.98 is: 307,507.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,084.25 : 906,122.30 = 205,005.98 : x
  2. Step 2: Convert to fraction form
    604,084.25/906,122.30 = 205,005.98/x
  3. Step 3: Cross multiply
    604,084.25x = 906,122.30 × 205,005.98
  4. Step 4: Simplify right side
    604,084.25x = 185,760,484,555.71
  5. Step 5: Solve for x
    x = 185,760,484,555.71/604,084.25
  6. Step 6: Final answer
    x = 307,507.58

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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.