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Finding the Fourth Proportional to 556,625.13, 768,142.96 and 301,976.25

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Solution

The fourth proportional to 556,625.13, 768,142.96 and 301,976.25 is: 416,727.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,625.13 : 768,142.96 = 301,976.25 : x
  2. Step 2: Convert to fraction form
    556,625.13/768,142.96 = 301,976.25/x
  3. Step 3: Cross multiply
    556,625.13x = 768,142.96 × 301,976.25
  4. Step 4: Simplify right side
    556,625.13x = 231,960,929,769.76
  5. Step 5: Solve for x
    x = 231,960,929,769.76/556,625.13
  6. Step 6: Final answer
    x = 416,727.38

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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.