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Finding the Fourth Proportional to 404,975, 558,865.50 and 226,127

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Solution

The fourth proportional to 404,975, 558,865.50 and 226,127 is: 312,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,975 : 558,865.50 = 226,127 : x
  2. Step 2: Convert to fraction form
    404,975/558,865.50 = 226,127/x
  3. Step 3: Cross multiply
    404,975x = 558,865.50 × 226,127
  4. Step 4: Simplify right side
    404,975x = 126,374,578,918.50
  5. Step 5: Solve for x
    x = 126,374,578,918.50/404,975
  6. Step 6: Final answer
    x = 312,055.26

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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.