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Finding the Fourth Proportional to 489,549.99, 734,158.64 and 169,627.20

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Solution

The fourth proportional to 489,549.99, 734,158.64 and 169,627.20 is: 254,383.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,549.99 : 734,158.64 = 169,627.20 : x
  2. Step 2: Convert to fraction form
    489,549.99/734,158.64 = 169,627.20/x
  3. Step 3: Cross multiply
    489,549.99x = 734,158.64 × 169,627.20
  4. Step 4: Simplify right side
    489,549.99x = 124,533,273,610.87
  5. Step 5: Solve for x
    x = 124,533,273,610.87/489,549.99
  6. Step 6: Final answer
    x = 254,383.16

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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.