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Finding the Fourth Proportional to 529,412.60, 794,274.72 and 192,447.94

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Solution

The fourth proportional to 529,412.60, 794,274.72 and 192,447.94 is: 288,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,412.60 : 794,274.72 = 192,447.94 : x
  2. Step 2: Convert to fraction form
    529,412.60/794,274.72 = 192,447.94/x
  3. Step 3: Cross multiply
    529,412.60x = 794,274.72 × 192,447.94
  4. Step 4: Simplify right side
    529,412.60x = 152,856,533,658.08
  5. Step 5: Solve for x
    x = 152,856,533,658.08/529,412.60
  6. Step 6: Final answer
    x = 288,728.55

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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.