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Finding the Fourth Proportional to 483,499.87, 724,253.23 and 283,213.05

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Solution

The fourth proportional to 483,499.87, 724,253.23 and 283,213.05 is: 424,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,499.87 : 724,253.23 = 283,213.05 : x
  2. Step 2: Convert to fraction form
    483,499.87/724,253.23 = 283,213.05/x
  3. Step 3: Cross multiply
    483,499.87x = 724,253.23 × 283,213.05
  4. Step 4: Simplify right side
    483,499.87x = 205,117,966,240.65
  5. Step 5: Solve for x
    x = 205,117,966,240.65/483,499.87
  6. Step 6: Final answer
    x = 424,235.83

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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.