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Finding the Fourth Proportional to 409,998.51, 565,797.69 and 228,710.39

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Solution

The fourth proportional to 409,998.51, 565,797.69 and 228,710.39 is: 315,620.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,998.51 : 565,797.69 = 228,710.39 : x
  2. Step 2: Convert to fraction form
    409,998.51/565,797.69 = 228,710.39/x
  3. Step 3: Cross multiply
    409,998.51x = 565,797.69 × 228,710.39
  4. Step 4: Simplify right side
    409,998.51x = 129,403,807,512.01
  5. Step 5: Solve for x
    x = 129,403,807,512.01/409,998.51
  6. Step 6: Final answer
    x = 315,620.19

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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.