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Finding the Fourth Proportional to 374,184.84, 561,953.76 and 345,691.12

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Solution

The fourth proportional to 374,184.84, 561,953.76 and 345,691.12 is: 519,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,184.84 : 561,953.76 = 345,691.12 : x
  2. Step 2: Convert to fraction form
    374,184.84/561,953.76 = 345,691.12/x
  3. Step 3: Cross multiply
    374,184.84x = 561,953.76 × 345,691.12
  4. Step 4: Simplify right side
    374,184.84x = 194,262,424,682.61
  5. Step 5: Solve for x
    x = 194,262,424,682.61/374,184.84
  6. Step 6: Final answer
    x = 519,161.67

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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.