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Finding the Fourth Proportional to 488,425.08, 674,172.90 and 297,532.77

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Solution

The fourth proportional to 488,425.08, 674,172.90 and 297,532.77 is: 410,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,425.08 : 674,172.90 = 297,532.77 : x
  2. Step 2: Convert to fraction form
    488,425.08/674,172.90 = 297,532.77/x
  3. Step 3: Cross multiply
    488,425.08x = 674,172.90 × 297,532.77
  4. Step 4: Simplify right side
    488,425.08x = 200,588,530,395.93
  5. Step 5: Solve for x
    x = 200,588,530,395.93/488,425.08
  6. Step 6: Final answer
    x = 410,684.34

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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.