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Finding the Fourth Proportional to 474,743.31, 711,622.89 and 296,841.80

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Solution

The fourth proportional to 474,743.31, 711,622.89 and 296,841.80 is: 444,955.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,743.31 : 711,622.89 = 296,841.80 : x
  2. Step 2: Convert to fraction form
    474,743.31/711,622.89 = 296,841.80/x
  3. Step 3: Cross multiply
    474,743.31x = 711,622.89 × 296,841.80
  4. Step 4: Simplify right side
    474,743.31x = 211,239,416,030.69
  5. Step 5: Solve for x
    x = 211,239,416,030.69/474,743.31
  6. Step 6: Final answer
    x = 444,955.01

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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.