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Finding the Fourth Proportional to 489,543.17, 734,148.46 and 169,620.37

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Solution

The fourth proportional to 489,543.17, 734,148.46 and 169,620.37 is: 254,372.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,543.17 : 734,148.46 = 169,620.37 : x
  2. Step 2: Convert to fraction form
    489,543.17/734,148.46 = 169,620.37/x
  3. Step 3: Cross multiply
    489,543.17x = 734,148.46 × 169,620.37
  4. Step 4: Simplify right side
    489,543.17x = 124,526,533,420.13
  5. Step 5: Solve for x
    x = 124,526,533,420.13/489,543.17
  6. Step 6: Final answer
    x = 254,372.94

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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.