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Finding the Fourth Proportional to 374,682.54, 562,419.90 and 366,221.28

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Solution

The fourth proportional to 374,682.54, 562,419.90 and 366,221.28 is: 549,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,682.54 : 562,419.90 = 366,221.28 : x
  2. Step 2: Convert to fraction form
    374,682.54/562,419.90 = 366,221.28/x
  3. Step 3: Cross multiply
    374,682.54x = 562,419.90 × 366,221.28
  4. Step 4: Simplify right side
    374,682.54x = 205,970,135,675.47
  5. Step 5: Solve for x
    x = 205,970,135,675.47/374,682.54
  6. Step 6: Final answer
    x = 549,719.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.