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Finding the Fourth Proportional to 707,046.56, 975,744.76 and 384,777.44

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Solution

The fourth proportional to 707,046.56, 975,744.76 and 384,777.44 is: 531,004.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,046.56 : 975,744.76 = 384,777.44 : x
  2. Step 2: Convert to fraction form
    707,046.56/975,744.76 = 384,777.44/x
  3. Step 3: Cross multiply
    707,046.56x = 975,744.76 × 384,777.44
  4. Step 4: Simplify right side
    707,046.56x = 375,444,570,846.21
  5. Step 5: Solve for x
    x = 375,444,570,846.21/707,046.56
  6. Step 6: Final answer
    x = 531,004.03

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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.