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Finding the Fourth Proportional to 414,567.52, 621,870.72 and 134,106.64

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Solution

The fourth proportional to 414,567.52, 621,870.72 and 134,106.64 is: 201,166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,567.52 : 621,870.72 = 134,106.64 : x
  2. Step 2: Convert to fraction form
    414,567.52/621,870.72 = 134,106.64/x
  3. Step 3: Cross multiply
    414,567.52x = 621,870.72 × 134,106.64
  4. Step 4: Simplify right side
    414,567.52x = 83,396,992,773.58
  5. Step 5: Solve for x
    x = 83,396,992,773.58/414,567.52
  6. Step 6: Final answer
    x = 201,166.25

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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.