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Finding the Fourth Proportional to 465,760.80, 697,604.40 and 360,007.20

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Solution

The fourth proportional to 465,760.80, 697,604.40 and 360,007.20 is: 539,209.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,760.80 : 697,604.40 = 360,007.20 : x
  2. Step 2: Convert to fraction form
    465,760.80/697,604.40 = 360,007.20/x
  3. Step 3: Cross multiply
    465,760.80x = 697,604.40 × 360,007.20
  4. Step 4: Simplify right side
    465,760.80x = 251,142,606,751.68
  5. Step 5: Solve for x
    x = 251,142,606,751.68/465,760.80
  6. Step 6: Final answer
    x = 539,209.41

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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.