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Finding the Fourth Proportional to 579,744.80, 869,768.40 and 224,770.40

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Solution

The fourth proportional to 579,744.80, 869,768.40 and 224,770.40 is: 337,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,744.80 : 869,768.40 = 224,770.40 : x
  2. Step 2: Convert to fraction form
    579,744.80/869,768.40 = 224,770.40/x
  3. Step 3: Cross multiply
    579,744.80x = 869,768.40 × 224,770.40
  4. Step 4: Simplify right side
    579,744.80x = 195,498,191,175.36
  5. Step 5: Solve for x
    x = 195,498,191,175.36/579,744.80
  6. Step 6: Final answer
    x = 337,214.22

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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.