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Finding the Fourth Proportional to 366,401.88, 549,741.24 and 141,775.83

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Solution

The fourth proportional to 366,401.88, 549,741.24 and 141,775.83 is: 212,717.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,401.88 : 549,741.24 = 141,775.83 : x
  2. Step 2: Convert to fraction form
    366,401.88/549,741.24 = 141,775.83/x
  3. Step 3: Cross multiply
    366,401.88x = 549,741.24 × 141,775.83
  4. Step 4: Simplify right side
    366,401.88x = 77,940,020,586.23
  5. Step 5: Solve for x
    x = 77,940,020,586.23/366,401.88
  6. Step 6: Final answer
    x = 212,717.31

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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.