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Finding the Fourth Proportional to 414,226.80, 620,173.80 and 402,562.80

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Solution

The fourth proportional to 414,226.80, 620,173.80 and 402,562.80 is: 602,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,226.80 : 620,173.80 = 402,562.80 : x
  2. Step 2: Convert to fraction form
    414,226.80/620,173.80 = 402,562.80/x
  3. Step 3: Cross multiply
    414,226.80x = 620,173.80 × 402,562.80
  4. Step 4: Simplify right side
    414,226.80x = 249,658,901,414.64
  5. Step 5: Solve for x
    x = 249,658,901,414.64/414,226.80
  6. Step 6: Final answer
    x = 602,710.64

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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.