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Finding the Fourth Proportional to 1,597,719.60, 2,397,940.20 and 651,769.20

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Solution

The fourth proportional to 1,597,719.60, 2,397,940.20 and 651,769.20 is: 978,208.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597,719.60 : 2,397,940.20 = 651,769.20 : x
  2. Step 2: Convert to fraction form
    1,597,719.60/2,397,940.20 = 651,769.20/x
  3. Step 3: Cross multiply
    1,597,719.60x = 2,397,940.20 × 651,769.20
  4. Step 4: Simplify right side
    1,597,719.60x = 1,562,903,565,801.84
  5. Step 5: Solve for x
    x = 1,562,903,565,801.84/1,597,719.60
  6. Step 6: Final answer
    x = 978,208.92

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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.