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Finding the Fourth Proportional to 374,579.87, 561,695.13 and 194,616.95

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Solution

The fourth proportional to 374,579.87, 561,695.13 and 194,616.95 is: 291,834.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,579.87 : 561,695.13 = 194,616.95 : x
  2. Step 2: Convert to fraction form
    374,579.87/561,695.13 = 194,616.95/x
  3. Step 3: Cross multiply
    374,579.87x = 561,695.13 × 194,616.95
  4. Step 4: Simplify right side
    374,579.87x = 109,315,390,221.98
  5. Step 5: Solve for x
    x = 109,315,390,221.98/374,579.87
  6. Step 6: Final answer
    x = 291,834.67

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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.