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Finding the Fourth Proportional to 404,587.80, 607,100.40 and 179,982.90

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Solution

The fourth proportional to 404,587.80, 607,100.40 and 179,982.90 is: 270,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,587.80 : 607,100.40 = 179,982.90 : x
  2. Step 2: Convert to fraction form
    404,587.80/607,100.40 = 179,982.90/x
  3. Step 3: Cross multiply
    404,587.80x = 607,100.40 × 179,982.90
  4. Step 4: Simplify right side
    404,587.80x = 109,267,690,583.16
  5. Step 5: Solve for x
    x = 109,267,690,583.16/404,587.80
  6. Step 6: Final answer
    x = 270,071.64

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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.