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Finding the Fourth Proportional to 524,183.68, 723,398.72 and 294,812.80

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Solution

The fourth proportional to 524,183.68, 723,398.72 and 294,812.80 is: 406,855.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,183.68 : 723,398.72 = 294,812.80 : x
  2. Step 2: Convert to fraction form
    524,183.68/723,398.72 = 294,812.80/x
  3. Step 3: Cross multiply
    524,183.68x = 723,398.72 × 294,812.80
  4. Step 4: Simplify right side
    524,183.68x = 213,267,202,159.62
  5. Step 5: Solve for x
    x = 213,267,202,159.62/524,183.68
  6. Step 6: Final answer
    x = 406,855.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.