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Finding the Fourth Proportional to 767,574.56, 1,151,364 and 294,404.96

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Solution

The fourth proportional to 767,574.56, 1,151,364 and 294,404.96 is: 441,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,574.56 : 1,151,364 = 294,404.96 : x
  2. Step 2: Convert to fraction form
    767,574.56/1,151,364 = 294,404.96/x
  3. Step 3: Cross multiply
    767,574.56x = 1,151,364 × 294,404.96
  4. Step 4: Simplify right side
    767,574.56x = 338,967,272,365.44
  5. Step 5: Solve for x
    x = 338,967,272,365.44/767,574.56
  6. Step 6: Final answer
    x = 441,608.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.