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Finding the Fourth Proportional to 404,518.22, 558,026.67 and 251,498.39

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Solution

The fourth proportional to 404,518.22, 558,026.67 and 251,498.39 is: 346,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,518.22 : 558,026.67 = 251,498.39 : x
  2. Step 2: Convert to fraction form
    404,518.22/558,026.67 = 251,498.39/x
  3. Step 3: Cross multiply
    404,518.22x = 558,026.67 × 251,498.39
  4. Step 4: Simplify right side
    404,518.22x = 140,342,807,235.05
  5. Step 5: Solve for x
    x = 140,342,807,235.05/404,518.22
  6. Step 6: Final answer
    x = 346,938.16

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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.