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Finding the Fourth Proportional to 365,937.80, 505,304.15 and 230,015.52

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Solution

The fourth proportional to 365,937.80, 505,304.15 and 230,015.52 is: 317,616.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,937.80 : 505,304.15 = 230,015.52 : x
  2. Step 2: Convert to fraction form
    365,937.80/505,304.15 = 230,015.52/x
  3. Step 3: Cross multiply
    365,937.80x = 505,304.15 × 230,015.52
  4. Step 4: Simplify right side
    365,937.80x = 116,227,794,293.89
  5. Step 5: Solve for x
    x = 116,227,794,293.89/365,937.80
  6. Step 6: Final answer
    x = 317,616.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.