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Finding the Fourth Proportional to 369,336.62, 509,921.74 and 231,704.22

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Solution

The fourth proportional to 369,336.62, 509,921.74 and 231,704.22 is: 319,900.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,336.62 : 509,921.74 = 231,704.22 : x
  2. Step 2: Convert to fraction form
    369,336.62/509,921.74 = 231,704.22/x
  3. Step 3: Cross multiply
    369,336.62x = 509,921.74 × 231,704.22
  4. Step 4: Simplify right side
    369,336.62x = 118,151,019,027.74
  5. Step 5: Solve for x
    x = 118,151,019,027.74/369,336.62
  6. Step 6: Final answer
    x = 319,900.63

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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.