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Finding the Fourth Proportional to 489,548.74, 734,156.76 and 169,625.95

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Solution

The fourth proportional to 489,548.74, 734,156.76 and 169,625.95 is: 254,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,548.74 : 734,156.76 = 169,625.95 : x
  2. Step 2: Convert to fraction form
    489,548.74/734,156.76 = 169,625.95/x
  3. Step 3: Cross multiply
    489,548.74x = 734,156.76 × 169,625.95
  4. Step 4: Simplify right side
    489,548.74x = 124,532,037,863.92
  5. Step 5: Solve for x
    x = 124,532,037,863.92/489,548.74
  6. Step 6: Final answer
    x = 254,381.29

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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.