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Finding the Fourth Proportional to 450,803.73, 622,116.80 and 246,851.40

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Solution

The fourth proportional to 450,803.73, 622,116.80 and 246,851.40 is: 340,659.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,803.73 : 622,116.80 = 246,851.40 : x
  2. Step 2: Convert to fraction form
    450,803.73/622,116.80 = 246,851.40/x
  3. Step 3: Cross multiply
    450,803.73x = 622,116.80 × 246,851.40
  4. Step 4: Simplify right side
    450,803.73x = 153,570,401,809.26
  5. Step 5: Solve for x
    x = 153,570,401,809.26/450,803.73
  6. Step 6: Final answer
    x = 340,659.12

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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.