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Finding the Fourth Proportional to 524,970.24, 786,273.57 and 367,899.90

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Solution

The fourth proportional to 524,970.24, 786,273.57 and 367,899.90 is: 551,021.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,970.24 : 786,273.57 = 367,899.90 : x
  2. Step 2: Convert to fraction form
    524,970.24/786,273.57 = 367,899.90/x
  3. Step 3: Cross multiply
    524,970.24x = 786,273.57 × 367,899.90
  4. Step 4: Simplify right side
    524,970.24x = 289,269,967,775.64
  5. Step 5: Solve for x
    x = 289,269,967,775.64/524,970.24
  6. Step 6: Final answer
    x = 551,021.65

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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.