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Finding the Fourth Proportional to 917,096.11, 1,375,642.81 and 601,479.07

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Solution

The fourth proportional to 917,096.11, 1,375,642.81 and 601,479.07 is: 902,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,096.11 : 1,375,642.81 = 601,479.07 : x
  2. Step 2: Convert to fraction form
    917,096.11/1,375,642.81 = 601,479.07/x
  3. Step 3: Cross multiply
    917,096.11x = 1,375,642.81 × 601,479.07
  4. Step 4: Simplify right side
    917,096.11x = 827,420,358,010.99
  5. Step 5: Solve for x
    x = 827,420,358,010.99/917,096.11
  6. Step 6: Final answer
    x = 902,217.72

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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.