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Finding the Fourth Proportional to 318,463.22, 477,169.95 and 184,968.74

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Solution

The fourth proportional to 318,463.22, 477,169.95 and 184,968.74 is: 277,148.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,463.22 : 477,169.95 = 184,968.74 : x
  2. Step 2: Convert to fraction form
    318,463.22/477,169.95 = 184,968.74/x
  3. Step 3: Cross multiply
    318,463.22x = 477,169.95 × 184,968.74
  4. Step 4: Simplify right side
    318,463.22x = 88,261,524,417.36
  5. Step 5: Solve for x
    x = 88,261,524,417.36/318,463.22
  6. Step 6: Final answer
    x = 277,148.25

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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.