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Finding the Fourth Proportional to 450,704.79, 621,979.98 and 246,752.31

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Solution

The fourth proportional to 450,704.79, 621,979.98 and 246,752.31 is: 340,522.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,704.79 : 621,979.98 = 246,752.31 : x
  2. Step 2: Convert to fraction form
    450,704.79/621,979.98 = 246,752.31/x
  3. Step 3: Cross multiply
    450,704.79x = 621,979.98 × 246,752.31
  4. Step 4: Simplify right side
    450,704.79x = 153,474,996,838.75
  5. Step 5: Solve for x
    x = 153,474,996,838.75/450,704.79
  6. Step 6: Final answer
    x = 340,522.22

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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.