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Finding the Fourth Proportional to 363,070.37, 544,513.06 and 257,446.48

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Solution

The fourth proportional to 363,070.37, 544,513.06 and 257,446.48 is: 386,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,070.37 : 544,513.06 = 257,446.48 : x
  2. Step 2: Convert to fraction form
    363,070.37/544,513.06 = 257,446.48/x
  3. Step 3: Cross multiply
    363,070.37x = 544,513.06 × 257,446.48
  4. Step 4: Simplify right side
    363,070.37x = 140,182,970,611.03
  5. Step 5: Solve for x
    x = 140,182,970,611.03/363,070.37
  6. Step 6: Final answer
    x = 386,104.13

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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.