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Finding the Fourth Proportional to 482,594.24, 665,997.84 and 291,570.72

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Solution

The fourth proportional to 482,594.24, 665,997.84 and 291,570.72 is: 402,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,594.24 : 665,997.84 = 291,570.72 : x
  2. Step 2: Convert to fraction form
    482,594.24/665,997.84 = 291,570.72/x
  3. Step 3: Cross multiply
    482,594.24x = 665,997.84 × 291,570.72
  4. Step 4: Simplify right side
    482,594.24x = 194,185,469,727.25
  5. Step 5: Solve for x
    x = 194,185,469,727.25/482,594.24
  6. Step 6: Final answer
    x = 402,378.35

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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.