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Finding the Fourth Proportional to 629,070.15, 942,818.31 and 495,422.58

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Solution

The fourth proportional to 629,070.15, 942,818.31 and 495,422.58 is: 742,514.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,070.15 : 942,818.31 = 495,422.58 : x
  2. Step 2: Convert to fraction form
    629,070.15/942,818.31 = 495,422.58/x
  3. Step 3: Cross multiply
    629,070.15x = 942,818.31 × 495,422.58
  4. Step 4: Simplify right side
    629,070.15x = 467,093,479,611.44
  5. Step 5: Solve for x
    x = 467,093,479,611.44/629,070.15
  6. Step 6: Final answer
    x = 742,514.14

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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.