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Finding the Fourth Proportional to 624,244.08, 935,972.46 and 343,958.16

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Solution

The fourth proportional to 624,244.08, 935,972.46 and 343,958.16 is: 515,720.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,244.08 : 935,972.46 = 343,958.16 : x
  2. Step 2: Convert to fraction form
    624,244.08/935,972.46 = 343,958.16/x
  3. Step 3: Cross multiply
    624,244.08x = 935,972.46 × 343,958.16
  4. Step 4: Simplify right side
    624,244.08x = 321,935,365,152.27
  5. Step 5: Solve for x
    x = 321,935,365,152.27/624,244.08
  6. Step 6: Final answer
    x = 515,720.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.