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Finding the Fourth Proportional to 1,157,469.54, 1,596,913.92 and 673,932.33

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Solution

The fourth proportional to 1,157,469.54, 1,596,913.92 and 673,932.33 is: 929,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,469.54 : 1,596,913.92 = 673,932.33 : x
  2. Step 2: Convert to fraction form
    1,157,469.54/1,596,913.92 = 673,932.33/x
  3. Step 3: Cross multiply
    1,157,469.54x = 1,596,913.92 × 673,932.33
  4. Step 4: Simplify right side
    1,157,469.54x = 1,076,211,918,915.03
  5. Step 5: Solve for x
    x = 1,076,211,918,915.03/1,157,469.54
  6. Step 6: Final answer
    x = 929,797.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.