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Finding the Fourth Proportional to 624,897.44, 862,353.90 and 338,410.88

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Solution

The fourth proportional to 624,897.44, 862,353.90 and 338,410.88 is: 467,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,897.44 : 862,353.90 = 338,410.88 : x
  2. Step 2: Convert to fraction form
    624,897.44/862,353.90 = 338,410.88/x
  3. Step 3: Cross multiply
    624,897.44x = 862,353.90 × 338,410.88
  4. Step 4: Simplify right side
    624,897.44x = 291,829,942,170.43
  5. Step 5: Solve for x
    x = 291,829,942,170.43/624,897.44
  6. Step 6: Final answer
    x = 467,004.54

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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.