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Finding the Fourth Proportional to 365,073.52, 503,612.76 and 231,015.28

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Solution

The fourth proportional to 365,073.52, 503,612.76 and 231,015.28 is: 318,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,073.52 : 503,612.76 = 231,015.28 : x
  2. Step 2: Convert to fraction form
    365,073.52/503,612.76 = 231,015.28/x
  3. Step 3: Cross multiply
    365,073.52x = 503,612.76 × 231,015.28
  4. Step 4: Simplify right side
    365,073.52x = 116,342,242,762.97
  5. Step 5: Solve for x
    x = 116,342,242,762.97/365,073.52
  6. Step 6: Final answer
    x = 318,681.68

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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.