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Finding the Fourth Proportional to 633,885.62, 874,760.45 and 343,505.24

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Solution

The fourth proportional to 633,885.62, 874,760.45 and 343,505.24 is: 474,036.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,885.62 : 874,760.45 = 343,505.24 : x
  2. Step 2: Convert to fraction form
    633,885.62/874,760.45 = 343,505.24/x
  3. Step 3: Cross multiply
    633,885.62x = 874,760.45 × 343,505.24
  4. Step 4: Simplify right side
    633,885.62x = 300,484,794,804.72
  5. Step 5: Solve for x
    x = 300,484,794,804.72/633,885.62
  6. Step 6: Final answer
    x = 474,036.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.