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Finding the Fourth Proportional to 400,783.01, 601,118.89 and 101,245.14

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Solution

The fourth proportional to 400,783.01, 601,118.89 and 101,245.14 is: 151,853.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,783.01 : 601,118.89 = 101,245.14 : x
  2. Step 2: Convert to fraction form
    400,783.01/601,118.89 = 101,245.14/x
  3. Step 3: Cross multiply
    400,783.01x = 601,118.89 × 101,245.14
  4. Step 4: Simplify right side
    400,783.01x = 60,860,365,921.58
  5. Step 5: Solve for x
    x = 60,860,365,921.58/400,783.01
  6. Step 6: Final answer
    x = 151,853.66

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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.