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Finding the Fourth Proportional to 450,695.73, 621,967.47 and 246,743.25

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Solution

The fourth proportional to 450,695.73, 621,967.47 and 246,743.25 is: 340,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,695.73 : 621,967.47 = 246,743.25 : x
  2. Step 2: Convert to fraction form
    450,695.73/621,967.47 = 246,743.25/x
  3. Step 3: Cross multiply
    450,695.73x = 621,967.47 × 246,743.25
  4. Step 4: Simplify right side
    450,695.73x = 153,466,274,942.08
  5. Step 5: Solve for x
    x = 153,466,274,942.08/450,695.73
  6. Step 6: Final answer
    x = 340,509.72

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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.