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Finding the Fourth Proportional to 588,578.17, 812,484.53 and 397,849.90

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Solution

The fourth proportional to 588,578.17, 812,484.53 and 397,849.90 is: 549,199.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,578.17 : 812,484.53 = 397,849.90 : x
  2. Step 2: Convert to fraction form
    588,578.17/812,484.53 = 397,849.90/x
  3. Step 3: Cross multiply
    588,578.17x = 812,484.53 × 397,849.90
  4. Step 4: Simplify right side
    588,578.17x = 323,246,889,012.05
  5. Step 5: Solve for x
    x = 323,246,889,012.05/588,578.17
  6. Step 6: Final answer
    x = 549,199.59

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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.