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Finding the Fourth Proportional to 511,593.58, 767,426.82 and 156,561.47

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Solution

The fourth proportional to 511,593.58, 767,426.82 and 156,561.47 is: 234,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,593.58 : 767,426.82 = 156,561.47 : x
  2. Step 2: Convert to fraction form
    511,593.58/767,426.82 = 156,561.47/x
  3. Step 3: Cross multiply
    511,593.58x = 767,426.82 × 156,561.47
  4. Step 4: Simplify right side
    511,593.58x = 120,149,471,056.63
  5. Step 5: Solve for x
    x = 120,149,471,056.63/511,593.58
  6. Step 6: Final answer
    x = 234,853.36

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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.