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Finding the Fourth Proportional to 574,874.19, 793,350.90 and 320,225.49

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Solution

The fourth proportional to 574,874.19, 793,350.90 and 320,225.49 is: 441,924.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,874.19 : 793,350.90 = 320,225.49 : x
  2. Step 2: Convert to fraction form
    574,874.19/793,350.90 = 320,225.49/x
  3. Step 3: Cross multiply
    574,874.19x = 793,350.90 × 320,225.49
  4. Step 4: Simplify right side
    574,874.19x = 254,051,180,694.44
  5. Step 5: Solve for x
    x = 254,051,180,694.44/574,874.19
  6. Step 6: Final answer
    x = 441,924.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.