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Finding the Fourth Proportional to 607,280.94, 910,311.69 and 207,648.36

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Solution

The fourth proportional to 607,280.94, 910,311.69 and 207,648.36 is: 311,264.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,280.94 : 910,311.69 = 207,648.36 : x
  2. Step 2: Convert to fraction form
    607,280.94/910,311.69 = 207,648.36/x
  3. Step 3: Cross multiply
    607,280.94x = 910,311.69 × 207,648.36
  4. Step 4: Simplify right side
    607,280.94x = 189,024,729,517.33
  5. Step 5: Solve for x
    x = 189,024,729,517.33/607,280.94
  6. Step 6: Final answer
    x = 311,264.06

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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.