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Finding the Fourth Proportional to 404,697.54, 558,490.77 and 223,408.74

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Solution

The fourth proportional to 404,697.54, 558,490.77 and 223,408.74 is: 308,308.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,697.54 : 558,490.77 = 223,408.74 : x
  2. Step 2: Convert to fraction form
    404,697.54/558,490.77 = 223,408.74/x
  3. Step 3: Cross multiply
    404,697.54x = 558,490.77 × 223,408.74
  4. Step 4: Simplify right side
    404,697.54x = 124,771,719,227.33
  5. Step 5: Solve for x
    x = 124,771,719,227.33/404,697.54
  6. Step 6: Final answer
    x = 308,308.57

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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.