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Finding the Fourth Proportional to 624,750.64, 936,931.92 and 225,339.48

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Solution

The fourth proportional to 624,750.64, 936,931.92 and 225,339.48 is: 337,939.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,750.64 : 936,931.92 = 225,339.48 : x
  2. Step 2: Convert to fraction form
    624,750.64/936,931.92 = 225,339.48/x
  3. Step 3: Cross multiply
    624,750.64x = 936,931.92 × 225,339.48
  4. Step 4: Simplify right side
    624,750.64x = 211,127,751,648.20
  5. Step 5: Solve for x
    x = 211,127,751,648.20/624,750.64
  6. Step 6: Final answer
    x = 337,939.23

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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.