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Finding the Fourth Proportional to 373,690.81, 560,530.95 and 173,899.45

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Solution

The fourth proportional to 373,690.81, 560,530.95 and 173,899.45 is: 260,846.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,690.81 : 560,530.95 = 173,899.45 : x
  2. Step 2: Convert to fraction form
    373,690.81/560,530.95 = 173,899.45/x
  3. Step 3: Cross multiply
    373,690.81x = 560,530.95 × 173,899.45
  4. Step 4: Simplify right side
    373,690.81x = 97,476,023,912.98
  5. Step 5: Solve for x
    x = 97,476,023,912.98/373,690.81
  6. Step 6: Final answer
    x = 260,846.72

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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.