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Finding the Fourth Proportional to 283,049.55, 424,560.42 and 105,542.67

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Solution

The fourth proportional to 283,049.55, 424,560.42 and 105,542.67 is: 158,308.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,049.55 : 424,560.42 = 105,542.67 : x
  2. Step 2: Convert to fraction form
    283,049.55/424,560.42 = 105,542.67/x
  3. Step 3: Cross multiply
    283,049.55x = 424,560.42 × 105,542.67
  4. Step 4: Simplify right side
    283,049.55x = 44,809,240,303.12
  5. Step 5: Solve for x
    x = 44,809,240,303.12/283,049.55
  6. Step 6: Final answer
    x = 158,308.82

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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.