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Finding the Fourth Proportional to 484,991.16, 727,488.18 and 169,448.10

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Solution

The fourth proportional to 484,991.16, 727,488.18 and 169,448.10 is: 254,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,991.16 : 727,488.18 = 169,448.10 : x
  2. Step 2: Convert to fraction form
    484,991.16/727,488.18 = 169,448.10/x
  3. Step 3: Cross multiply
    484,991.16x = 727,488.18 × 169,448.10
  4. Step 4: Simplify right side
    484,991.16x = 123,271,489,873.46
  5. Step 5: Solve for x
    x = 123,271,489,873.46/484,991.16
  6. Step 6: Final answer
    x = 254,172.65

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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.