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Finding the Fourth Proportional to 375,919.95, 563,943.11 and 186,389.67

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Solution

The fourth proportional to 375,919.95, 563,943.11 and 186,389.67 is: 279,615.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,919.95 : 563,943.11 = 186,389.67 : x
  2. Step 2: Convert to fraction form
    375,919.95/563,943.11 = 186,389.67/x
  3. Step 3: Cross multiply
    375,919.95x = 563,943.11 × 186,389.67
  4. Step 4: Simplify right side
    375,919.95x = 105,113,170,171.67
  5. Step 5: Solve for x
    x = 105,113,170,171.67/375,919.95
  6. Step 6: Final answer
    x = 279,615.83

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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.