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Finding the Fourth Proportional to 601,697.97, 830,349.56 and 329,759.84

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Solution

The fourth proportional to 601,697.97, 830,349.56 and 329,759.84 is: 455,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,697.97 : 830,349.56 = 329,759.84 : x
  2. Step 2: Convert to fraction form
    601,697.97/830,349.56 = 329,759.84/x
  3. Step 3: Cross multiply
    601,697.97x = 830,349.56 × 329,759.84
  4. Step 4: Simplify right side
    601,697.97x = 273,815,940,949.94
  5. Step 5: Solve for x
    x = 273,815,940,949.94/601,697.97
  6. Step 6: Final answer
    x = 455,072.07

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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.