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Finding the Fourth Proportional to 524,674.20, 786,816.90 and 169,699.80

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Solution

The fourth proportional to 524,674.20, 786,816.90 and 169,699.80 is: 254,486.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,674.20 : 786,816.90 = 169,699.80 : x
  2. Step 2: Convert to fraction form
    524,674.20/786,816.90 = 169,699.80/x
  3. Step 3: Cross multiply
    524,674.20x = 786,816.90 × 169,699.80
  4. Step 4: Simplify right side
    524,674.20x = 133,522,670,566.62
  5. Step 5: Solve for x
    x = 133,522,670,566.62/524,674.20
  6. Step 6: Final answer
    x = 254,486.82

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1.5x scale

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.