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Finding the Fourth Proportional to 283,504.20, 425,423.74 and 103,573.63

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Solution

The fourth proportional to 283,504.20, 425,423.74 and 103,573.63 is: 155,421.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,504.20 : 425,423.74 = 103,573.63 : x
  2. Step 2: Convert to fraction form
    283,504.20/425,423.74 = 103,573.63/x
  3. Step 3: Cross multiply
    283,504.20x = 425,423.74 × 103,573.63
  4. Step 4: Simplify right side
    283,504.20x = 44,062,680,522.11
  5. Step 5: Solve for x
    x = 44,062,680,522.11/283,504.20
  6. Step 6: Final answer
    x = 155,421.62

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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.