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Finding the Fourth Proportional to 607,227.30, 911,424.15 and 308,045.70

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Solution

The fourth proportional to 607,227.30, 911,424.15 and 308,045.70 is: 462,364.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,227.30 : 911,424.15 = 308,045.70 : x
  2. Step 2: Convert to fraction form
    607,227.30/911,424.15 = 308,045.70/x
  3. Step 3: Cross multiply
    607,227.30x = 911,424.15 × 308,045.70
  4. Step 4: Simplify right side
    607,227.30x = 280,760,290,283.66
  5. Step 5: Solve for x
    x = 280,760,290,283.66/607,227.30
  6. Step 6: Final answer
    x = 462,364.41

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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.