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Finding the Fourth Proportional to 490,653.30, 736,016.40 and 175,069.20

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Solution

The fourth proportional to 490,653.30, 736,016.40 and 175,069.20 is: 262,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,653.30 : 736,016.40 = 175,069.20 : x
  2. Step 2: Convert to fraction form
    490,653.30/736,016.40 = 175,069.20/x
  3. Step 3: Cross multiply
    490,653.30x = 736,016.40 × 175,069.20
  4. Step 4: Simplify right side
    490,653.30x = 128,853,802,334.88
  5. Step 5: Solve for x
    x = 128,853,802,334.88/490,653.30
  6. Step 6: Final answer
    x = 262,616.81

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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.