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Finding the Fourth Proportional to 366,637.88, 549,932.10 and 100,400.81

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Solution

The fourth proportional to 366,637.88, 549,932.10 and 100,400.81 is: 150,594.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,637.88 : 549,932.10 = 100,400.81 : x
  2. Step 2: Convert to fraction form
    366,637.88/549,932.10 = 100,400.81/x
  3. Step 3: Cross multiply
    366,637.88x = 549,932.10 × 100,400.81
  4. Step 4: Simplify right side
    366,637.88x = 55,213,625,535.34
  5. Step 5: Solve for x
    x = 55,213,625,535.34/366,637.88
  6. Step 6: Final answer
    x = 150,594.44

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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.