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Finding the Fourth Proportional to 734,613.20, 1,099,846.20 and 713,877.20

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Solution

The fourth proportional to 734,613.20, 1,099,846.20 and 713,877.20 is: 1,068,800.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,613.20 : 1,099,846.20 = 713,877.20 : x
  2. Step 2: Convert to fraction form
    734,613.20/1,099,846.20 = 713,877.20/x
  3. Step 3: Cross multiply
    734,613.20x = 1,099,846.20 × 713,877.20
  4. Step 4: Simplify right side
    734,613.20x = 785,155,125,686.64
  5. Step 5: Solve for x
    x = 785,155,125,686.64/734,613.20
  6. Step 6: Final answer
    x = 1,068,800.73

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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.