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Finding the Fourth Proportional to 474,672.56, 711,222.60 and 333,742.64

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Solution

The fourth proportional to 474,672.56, 711,222.60 and 333,742.64 is: 500,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,672.56 : 711,222.60 = 333,742.64 : x
  2. Step 2: Convert to fraction form
    474,672.56/711,222.60 = 333,742.64/x
  3. Step 3: Cross multiply
    474,672.56x = 711,222.60 × 333,742.64
  4. Step 4: Simplify right side
    474,672.56x = 237,365,308,151.66
  5. Step 5: Solve for x
    x = 237,365,308,151.66/474,672.56
  6. Step 6: Final answer
    x = 500,061.15

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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.