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Finding the Fourth Proportional to 519,957.64, 717,556.26 and 293,637.16

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Solution

The fourth proportional to 519,957.64, 717,556.26 and 293,637.16 is: 405,227.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,957.64 : 717,556.26 = 293,637.16 : x
  2. Step 2: Convert to fraction form
    519,957.64/717,556.26 = 293,637.16/x
  3. Step 3: Cross multiply
    519,957.64x = 717,556.26 × 293,637.16
  4. Step 4: Simplify right side
    519,957.64x = 210,701,182,326.62
  5. Step 5: Solve for x
    x = 210,701,182,326.62/519,957.64
  6. Step 6: Final answer
    x = 405,227.59

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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.