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Finding the Fourth Proportional to 366,536.55, 549,640.80 and 141,822.30

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Solution

The fourth proportional to 366,536.55, 549,640.80 and 141,822.30 is: 212,669.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,536.55 : 549,640.80 = 141,822.30 : x
  2. Step 2: Convert to fraction form
    366,536.55/549,640.80 = 141,822.30/x
  3. Step 3: Cross multiply
    366,536.55x = 549,640.80 × 141,822.30
  4. Step 4: Simplify right side
    366,536.55x = 77,951,322,429.84
  5. Step 5: Solve for x
    x = 77,951,322,429.84/366,536.55
  6. Step 6: Final answer
    x = 212,669.98

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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.