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Finding the Fourth Proportional to 570,486.72, 854,796.80 and 303,964.48

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Solution

The fourth proportional to 570,486.72, 854,796.80 and 303,964.48 is: 455,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,486.72 : 854,796.80 = 303,964.48 : x
  2. Step 2: Convert to fraction form
    570,486.72/854,796.80 = 303,964.48/x
  3. Step 3: Cross multiply
    570,486.72x = 854,796.80 × 303,964.48
  4. Step 4: Simplify right side
    570,486.72x = 259,827,864,817.66
  5. Step 5: Solve for x
    x = 259,827,864,817.66/570,486.72
  6. Step 6: Final answer
    x = 455,449.45

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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.