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Finding the Fourth Proportional to 630,001.75, 945,002.63 and 186,769.75

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Solution

The fourth proportional to 630,001.75, 945,002.63 and 186,769.75 is: 280,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,001.75 : 945,002.63 = 186,769.75 : x
  2. Step 2: Convert to fraction form
    630,001.75/945,002.63 = 186,769.75/x
  3. Step 3: Cross multiply
    630,001.75x = 945,002.63 × 186,769.75
  4. Step 4: Simplify right side
    630,001.75x = 176,497,904,954.44
  5. Step 5: Solve for x
    x = 176,497,904,954.44/630,001.75
  6. Step 6: Final answer
    x = 280,154.63

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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.