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Finding the Fourth Proportional to 363,139.40, 544,992.60 and 251,602.40

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Solution

The fourth proportional to 363,139.40, 544,992.60 and 251,602.40 is: 377,600.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,139.40 : 544,992.60 = 251,602.40 : x
  2. Step 2: Convert to fraction form
    363,139.40/544,992.60 = 251,602.40/x
  3. Step 3: Cross multiply
    363,139.40x = 544,992.60 × 251,602.40
  4. Step 4: Simplify right side
    363,139.40x = 137,121,446,142.24
  5. Step 5: Solve for x
    x = 137,121,446,142.24/363,139.40
  6. Step 6: Final answer
    x = 377,600.02

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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.