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Finding the Fourth Proportional to 511,332.41, 766,998.59 and 156,346.40

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Solution

The fourth proportional to 511,332.41, 766,998.59 and 156,346.40 is: 234,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,332.41 : 766,998.59 = 156,346.40 : x
  2. Step 2: Convert to fraction form
    511,332.41/766,998.59 = 156,346.40/x
  3. Step 3: Cross multiply
    511,332.41x = 766,998.59 × 156,346.40
  4. Step 4: Simplify right side
    511,332.41x = 119,917,463,734.85
  5. Step 5: Solve for x
    x = 119,917,463,734.85/511,332.41
  6. Step 6: Final answer
    x = 234,519.59

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Similar ratio
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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.