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Finding the Fourth Proportional to 540,038.88, 809,170.74 and 184,859.15

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Solution

The fourth proportional to 540,038.88, 809,170.74 and 184,859.15 is: 276,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,038.88 : 809,170.74 = 184,859.15 : x
  2. Step 2: Convert to fraction form
    540,038.88/809,170.74 = 184,859.15/x
  3. Step 3: Cross multiply
    540,038.88x = 809,170.74 × 184,859.15
  4. Step 4: Simplify right side
    540,038.88x = 149,582,611,155.42
  5. Step 5: Solve for x
    x = 149,582,611,155.42/540,038.88
  6. Step 6: Final answer
    x = 276,984.89

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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.