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Finding the Fourth Proportional to 450,458.73, 621,633.06 and 246,509.64

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Solution

The fourth proportional to 450,458.73, 621,633.06 and 246,509.64 is: 340,183.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,458.73 : 621,633.06 = 246,509.64 : x
  2. Step 2: Convert to fraction form
    450,458.73/621,633.06 = 246,509.64/x
  3. Step 3: Cross multiply
    450,458.73x = 621,633.06 × 246,509.64
  4. Step 4: Simplify right side
    450,458.73x = 153,238,541,832.70
  5. Step 5: Solve for x
    x = 153,238,541,832.70/450,458.73
  6. Step 6: Final answer
    x = 340,183.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.