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Finding the Fourth Proportional to 630,558.92, 945,988.43 and 204,094.74

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Solution

The fourth proportional to 630,558.92, 945,988.43 and 204,094.74 is: 306,190.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,558.92 : 945,988.43 = 204,094.74 : x
  2. Step 2: Convert to fraction form
    630,558.92/945,988.43 = 204,094.74/x
  3. Step 3: Cross multiply
    630,558.92x = 945,988.43 × 204,094.74
  4. Step 4: Simplify right side
    630,558.92x = 193,071,262,663.86
  5. Step 5: Solve for x
    x = 193,071,262,663.86/630,558.92
  6. Step 6: Final answer
    x = 306,190.68

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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.