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Finding the Fourth Proportional to 465,551.20, 697,808.40 and 240,824.80

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Solution

The fourth proportional to 465,551.20, 697,808.40 and 240,824.80 is: 360,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,551.20 : 697,808.40 = 240,824.80 : x
  2. Step 2: Convert to fraction form
    465,551.20/697,808.40 = 240,824.80/x
  3. Step 3: Cross multiply
    465,551.20x = 697,808.40 × 240,824.80
  4. Step 4: Simplify right side
    465,551.20x = 168,049,568,368.32
  5. Step 5: Solve for x
    x = 168,049,568,368.32/465,551.20
  6. Step 6: Final answer
    x = 360,969.04

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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.