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Finding the Fourth Proportional to 624,656.70, 937,422.45 and 269,925.30

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Solution

The fourth proportional to 624,656.70, 937,422.45 and 269,925.30 is: 405,076.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,656.70 : 937,422.45 = 269,925.30 : x
  2. Step 2: Convert to fraction form
    624,656.70/937,422.45 = 269,925.30/x
  3. Step 3: Cross multiply
    624,656.70x = 937,422.45 × 269,925.30
  4. Step 4: Simplify right side
    624,656.70x = 253,034,036,042.99
  5. Step 5: Solve for x
    x = 253,034,036,042.99/624,656.70
  6. Step 6: Final answer
    x = 405,076.96

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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.