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Finding the Fourth Proportional to 526,055.64, 726,001.02 and 322,105.56

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Solution

The fourth proportional to 526,055.64, 726,001.02 and 322,105.56 is: 444,532.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,055.64 : 726,001.02 = 322,105.56 : x
  2. Step 2: Convert to fraction form
    526,055.64/726,001.02 = 322,105.56/x
  3. Step 3: Cross multiply
    526,055.64x = 726,001.02 × 322,105.56
  4. Step 4: Simplify right side
    526,055.64x = 233,848,965,107.67
  5. Step 5: Solve for x
    x = 233,848,965,107.67/526,055.64
  6. Step 6: Final answer
    x = 444,532.76

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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.