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Finding the Fourth Proportional to 679,184.96, 937,234.08 and 377,368.64

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Solution

The fourth proportional to 679,184.96, 937,234.08 and 377,368.64 is: 520,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,184.96 : 937,234.08 = 377,368.64 : x
  2. Step 2: Convert to fraction form
    679,184.96/937,234.08 = 377,368.64/x
  3. Step 3: Cross multiply
    679,184.96x = 937,234.08 × 377,368.64
  4. Step 4: Simplify right side
    679,184.96x = 353,682,750,131.25
  5. Step 5: Solve for x
    x = 353,682,750,131.25/679,184.96
  6. Step 6: Final answer
    x = 520,745.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.