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Finding the Fourth Proportional to 630,117.28, 945,227.12 and 186,884

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Solution

The fourth proportional to 630,117.28, 945,227.12 and 186,884 is: 280,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,117.28 : 945,227.12 = 186,884 : x
  2. Step 2: Convert to fraction form
    630,117.28/945,227.12 = 186,884/x
  3. Step 3: Cross multiply
    630,117.28x = 945,227.12 × 186,884
  4. Step 4: Simplify right side
    630,117.28x = 176,647,825,094.08
  5. Step 5: Solve for x
    x = 176,647,825,094.08/630,117.28
  6. Step 6: Final answer
    x = 280,341.19

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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.