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Finding the Fourth Proportional to 520,082.02, 717,727.40 and 293,727.52

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Solution

The fourth proportional to 520,082.02, 717,727.40 and 293,727.52 is: 405,352.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,082.02 : 717,727.40 = 293,727.52 : x
  2. Step 2: Convert to fraction form
    520,082.02/717,727.40 = 293,727.52/x
  3. Step 3: Cross multiply
    520,082.02x = 717,727.40 × 293,727.52
  4. Step 4: Simplify right side
    520,082.02x = 210,816,289,238.05
  5. Step 5: Solve for x
    x = 210,816,289,238.05/520,082.02
  6. Step 6: Final answer
    x = 405,352.00

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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.