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Finding the Fourth Proportional to 526,212.96, 726,001.92 and 322,051.20

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Solution

The fourth proportional to 526,212.96, 726,001.92 and 322,051.20 is: 444,325.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,212.96 : 726,001.92 = 322,051.20 : x
  2. Step 2: Convert to fraction form
    526,212.96/726,001.92 = 322,051.20/x
  3. Step 3: Cross multiply
    526,212.96x = 726,001.92 × 322,051.20
  4. Step 4: Simplify right side
    526,212.96x = 233,809,789,538.30
  5. Step 5: Solve for x
    x = 233,809,789,538.30/526,212.96
  6. Step 6: Final answer
    x = 444,325.41

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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.