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Finding the Fourth Proportional to 607,735.66, 911,800.32 and 292,151.56

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Solution

The fourth proportional to 607,735.66, 911,800.32 and 292,151.56 is: 438,321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,735.66 : 911,800.32 = 292,151.56 : x
  2. Step 2: Convert to fraction form
    607,735.66/911,800.32 = 292,151.56/x
  3. Step 3: Cross multiply
    607,735.66x = 911,800.32 × 292,151.56
  4. Step 4: Simplify right side
    607,735.66x = 266,383,885,896.50
  5. Step 5: Solve for x
    x = 266,383,885,896.50/607,735.66
  6. Step 6: Final answer
    x = 438,321.96

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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.