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Finding the Fourth Proportional to 559,614.56, 772,268.22 and 304,965.80

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Solution

The fourth proportional to 559,614.56, 772,268.22 and 304,965.80 is: 420,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,614.56 : 772,268.22 = 304,965.80 : x
  2. Step 2: Convert to fraction form
    559,614.56/772,268.22 = 304,965.80/x
  3. Step 3: Cross multiply
    559,614.56x = 772,268.22 × 304,965.80
  4. Step 4: Simplify right side
    559,614.56x = 235,515,395,526.88
  5. Step 5: Solve for x
    x = 235,515,395,526.88/559,614.56
  6. Step 6: Final answer
    x = 420,852.87

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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.