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Finding the Fourth Proportional to 520,089.52, 717,737.75 and 293,735.02

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Solution

The fourth proportional to 520,089.52, 717,737.75 and 293,735.02 is: 405,362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,089.52 : 717,737.75 = 293,735.02 : x
  2. Step 2: Convert to fraction form
    520,089.52/717,737.75 = 293,735.02/x
  3. Step 3: Cross multiply
    520,089.52x = 717,737.75 × 293,735.02
  4. Step 4: Simplify right side
    520,089.52x = 210,824,712,351.01
  5. Step 5: Solve for x
    x = 210,824,712,351.01/520,089.52
  6. Step 6: Final answer
    x = 405,362.35

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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.