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Finding the Fourth Proportional to 483,324.80, 724,987.20 and 349,923.20

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Solution

The fourth proportional to 483,324.80, 724,987.20 and 349,923.20 is: 524,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,324.80 : 724,987.20 = 349,923.20 : x
  2. Step 2: Convert to fraction form
    483,324.80/724,987.20 = 349,923.20/x
  3. Step 3: Cross multiply
    483,324.80x = 724,987.20 × 349,923.20
  4. Step 4: Simplify right side
    483,324.80x = 253,689,840,983.04
  5. Step 5: Solve for x
    x = 253,689,840,983.04/483,324.80
  6. Step 6: Final answer
    x = 524,884.80

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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.