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Finding the Fourth Proportional to 344,216.59, 516,347.66 and 91,493.55

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Solution

The fourth proportional to 344,216.59, 516,347.66 and 91,493.55 is: 137,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,216.59 : 516,347.66 = 91,493.55 : x
  2. Step 2: Convert to fraction form
    344,216.59/516,347.66 = 91,493.55/x
  3. Step 3: Cross multiply
    344,216.59x = 516,347.66 × 91,493.55
  4. Step 4: Simplify right side
    344,216.59x = 47,242,480,676.33
  5. Step 5: Solve for x
    x = 47,242,480,676.33/344,216.59
  6. Step 6: Final answer
    x = 137,246.38

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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.