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Finding the Fourth Proportional to 366,912.76, 549,591.54 and 277,177.72

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Solution

The fourth proportional to 366,912.76, 549,591.54 and 277,177.72 is: 415,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,912.76 : 549,591.54 = 277,177.72 : x
  2. Step 2: Convert to fraction form
    366,912.76/549,591.54 = 277,177.72/x
  3. Step 3: Cross multiply
    366,912.76x = 549,591.54 × 277,177.72
  4. Step 4: Simplify right side
    366,912.76x = 152,334,529,988.49
  5. Step 5: Solve for x
    x = 152,334,529,988.49/366,912.76
  6. Step 6: Final answer
    x = 415,179.16

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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.