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Finding the Fourth Proportional to 461,974.68, 637,483.60 and 257,997.32

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Solution

The fourth proportional to 461,974.68, 637,483.60 and 257,997.32 is: 356,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,974.68 : 637,483.60 = 257,997.32 : x
  2. Step 2: Convert to fraction form
    461,974.68/637,483.60 = 257,997.32/x
  3. Step 3: Cross multiply
    461,974.68x = 637,483.60 × 257,997.32
  4. Step 4: Simplify right side
    461,974.68x = 164,469,060,343.95
  5. Step 5: Solve for x
    x = 164,469,060,343.95/461,974.68
  6. Step 6: Final answer
    x = 356,013.15

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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.