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Finding the Fourth Proportional to 633,399.88, 874,094.18 and 343,011.61

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Solution

The fourth proportional to 633,399.88, 874,094.18 and 343,011.61 is: 473,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,399.88 : 874,094.18 = 343,011.61 : x
  2. Step 2: Convert to fraction form
    633,399.88/874,094.18 = 343,011.61/x
  3. Step 3: Cross multiply
    633,399.88x = 874,094.18 × 343,011.61
  4. Step 4: Simplify right side
    633,399.88x = 299,824,450,258.37
  5. Step 5: Solve for x
    x = 299,824,450,258.37/633,399.88
  6. Step 6: Final answer
    x = 473,357.29

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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.