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Finding the Fourth Proportional to 447,663.36, 617,773.44 and 246,459.20

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Solution

The fourth proportional to 447,663.36, 617,773.44 and 246,459.20 is: 340,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,663.36 : 617,773.44 = 246,459.20 : x
  2. Step 2: Convert to fraction form
    447,663.36/617,773.44 = 246,459.20/x
  3. Step 3: Cross multiply
    447,663.36x = 617,773.44 × 246,459.20
  4. Step 4: Simplify right side
    447,663.36x = 152,255,947,803.65
  5. Step 5: Solve for x
    x = 152,255,947,803.65/447,663.36
  6. Step 6: Final answer
    x = 340,112.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.