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Finding the Fourth Proportional to 283,479.80, 425,219.70 and 264,817.40

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Solution

The fourth proportional to 283,479.80, 425,219.70 and 264,817.40 is: 397,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,479.80 : 425,219.70 = 264,817.40 : x
  2. Step 2: Convert to fraction form
    283,479.80/425,219.70 = 264,817.40/x
  3. Step 3: Cross multiply
    283,479.80x = 425,219.70 × 264,817.40
  4. Step 4: Simplify right side
    283,479.80x = 112,605,575,382.78
  5. Step 5: Solve for x
    x = 112,605,575,382.78/283,479.80
  6. Step 6: Final answer
    x = 397,226.10

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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.