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Finding the Fourth Proportional to 450,967.25, 622,343.75 and 247,018.16

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Solution

The fourth proportional to 450,967.25, 622,343.75 and 247,018.16 is: 340,889.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,967.25 : 622,343.75 = 247,018.16 : x
  2. Step 2: Convert to fraction form
    450,967.25/622,343.75 = 247,018.16/x
  3. Step 3: Cross multiply
    450,967.25x = 622,343.75 × 247,018.16
  4. Step 4: Simplify right side
    450,967.25x = 153,730,208,333.27
  5. Step 5: Solve for x
    x = 153,730,208,333.27/450,967.25
  6. Step 6: Final answer
    x = 340,889.96

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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.