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Finding the Fourth Proportional to 630,114.28, 945,222.62 and 186,881

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Solution

The fourth proportional to 630,114.28, 945,222.62 and 186,881 is: 280,336.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,114.28 : 945,222.62 = 186,881 : x
  2. Step 2: Convert to fraction form
    630,114.28/945,222.62 = 186,881/x
  3. Step 3: Cross multiply
    630,114.28x = 945,222.62 × 186,881
  4. Step 4: Simplify right side
    630,114.28x = 176,644,148,448.22
  5. Step 5: Solve for x
    x = 176,644,148,448.22/630,114.28
  6. Step 6: Final answer
    x = 280,336.69

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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.