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Finding the Fourth Proportional to 489,350.40, 734,025.60 and 169,501.65

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Solution

The fourth proportional to 489,350.40, 734,025.60 and 169,501.65 is: 254,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,350.40 : 734,025.60 = 169,501.65 : x
  2. Step 2: Convert to fraction form
    489,350.40/734,025.60 = 169,501.65/x
  3. Step 3: Cross multiply
    489,350.40x = 734,025.60 × 169,501.65
  4. Step 4: Simplify right side
    489,350.40x = 124,418,550,342.24
  5. Step 5: Solve for x
    x = 124,418,550,342.24/489,350.40
  6. Step 6: Final answer
    x = 254,252.48

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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.