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Finding the Fourth Proportional to 283,288.70, 424,933.05 and 96,300.20

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Solution

The fourth proportional to 283,288.70, 424,933.05 and 96,300.20 is: 144,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,288.70 : 424,933.05 = 96,300.20 : x
  2. Step 2: Convert to fraction form
    283,288.70/424,933.05 = 96,300.20/x
  3. Step 3: Cross multiply
    283,288.70x = 424,933.05 × 96,300.20
  4. Step 4: Simplify right side
    283,288.70x = 40,921,137,701.61
  5. Step 5: Solve for x
    x = 40,921,137,701.61/283,288.70
  6. Step 6: Final answer
    x = 144,450.30

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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.