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Finding the Fourth Proportional to 524,673.70, 786,816.15 and 169,699.30

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Solution

The fourth proportional to 524,673.70, 786,816.15 and 169,699.30 is: 254,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,673.70 : 786,816.15 = 169,699.30 : x
  2. Step 2: Convert to fraction form
    524,673.70/786,816.15 = 169,699.30/x
  3. Step 3: Cross multiply
    524,673.70x = 786,816.15 × 169,699.30
  4. Step 4: Simplify right side
    524,673.70x = 133,522,149,883.70
  5. Step 5: Solve for x
    x = 133,522,149,883.70/524,673.70
  6. Step 6: Final answer
    x = 254,486.07

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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.