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Finding the Fourth Proportional to 520,088.52, 717,736.37 and 293,734.02

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Solution

The fourth proportional to 520,088.52, 717,736.37 and 293,734.02 is: 405,360.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,088.52 : 717,736.37 = 293,734.02 : x
  2. Step 2: Convert to fraction form
    520,088.52/717,736.37 = 293,734.02/x
  3. Step 3: Cross multiply
    520,088.52x = 717,736.37 × 293,734.02
  4. Step 4: Simplify right side
    520,088.52x = 210,823,587,791.64
  5. Step 5: Solve for x
    x = 210,823,587,791.64/520,088.52
  6. Step 6: Final answer
    x = 405,360.97

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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.