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Finding the Fourth Proportional to 373,598.96, 515,545.44 and 212,493.20

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Solution

The fourth proportional to 373,598.96, 515,545.44 and 212,493.20 is: 293,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,598.96 : 515,545.44 = 212,493.20 : x
  2. Step 2: Convert to fraction form
    373,598.96/515,545.44 = 212,493.20/x
  3. Step 3: Cross multiply
    373,598.96x = 515,545.44 × 212,493.20
  4. Step 4: Simplify right side
    373,598.96x = 109,549,900,291.01
  5. Step 5: Solve for x
    x = 109,549,900,291.01/373,598.96
  6. Step 6: Final answer
    x = 293,228.60

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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.