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Finding the Fourth Proportional to 474,396.92, 711,594.51 and 154,548.41

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Solution

The fourth proportional to 474,396.92, 711,594.51 and 154,548.41 is: 231,822.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,396.92 : 711,594.51 = 154,548.41 : x
  2. Step 2: Convert to fraction form
    474,396.92/711,594.51 = 154,548.41/x
  3. Step 3: Cross multiply
    474,396.92x = 711,594.51 × 154,548.41
  4. Step 4: Simplify right side
    474,396.92x = 109,975,797,533.50
  5. Step 5: Solve for x
    x = 109,975,797,533.50/474,396.92
  6. Step 6: Final answer
    x = 231,822.32

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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.