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Finding the Fourth Proportional to 484,989.66, 727,485.93 and 169,446.60

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Solution

The fourth proportional to 484,989.66, 727,485.93 and 169,446.60 is: 254,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,989.66 : 727,485.93 = 169,446.60 : x
  2. Step 2: Convert to fraction form
    484,989.66/727,485.93 = 169,446.60/x
  3. Step 3: Cross multiply
    484,989.66x = 727,485.93 × 169,446.60
  4. Step 4: Simplify right side
    484,989.66x = 123,270,017,386.34
  5. Step 5: Solve for x
    x = 123,270,017,386.34/484,989.66
  6. Step 6: Final answer
    x = 254,170.40

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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.