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Finding the Fourth Proportional to 529,768.86, 795,152.74 and 193,134.90

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Solution

The fourth proportional to 529,768.86, 795,152.74 and 193,134.90 is: 289,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,768.86 : 795,152.74 = 193,134.90 : x
  2. Step 2: Convert to fraction form
    529,768.86/795,152.74 = 193,134.90/x
  3. Step 3: Cross multiply
    529,768.86x = 795,152.74 × 193,134.90
  4. Step 4: Simplify right side
    529,768.86x = 153,571,744,924.63
  5. Step 5: Solve for x
    x = 153,571,744,924.63/529,768.86
  6. Step 6: Final answer
    x = 289,884.43

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Double scale
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Similar ratio
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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.