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Finding the Fourth Proportional to 624,942.16, 862,473.24 and 353,059.90

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Solution

The fourth proportional to 624,942.16, 862,473.24 and 353,059.90 is: 487,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,942.16 : 862,473.24 = 353,059.90 : x
  2. Step 2: Convert to fraction form
    624,942.16/862,473.24 = 353,059.90/x
  3. Step 3: Cross multiply
    624,942.16x = 862,473.24 × 353,059.90
  4. Step 4: Simplify right side
    624,942.16x = 304,504,715,867.08
  5. Step 5: Solve for x
    x = 304,504,715,867.08/624,942.16
  6. Step 6: Final answer
    x = 487,252.64

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1.5x scale

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.