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Finding the Fourth Proportional to 450,201.51, 621,254.90 and 246,212.73

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Solution

The fourth proportional to 450,201.51, 621,254.90 and 246,212.73 is: 339,760.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,201.51 : 621,254.90 = 246,212.73 : x
  2. Step 2: Convert to fraction form
    450,201.51/621,254.90 = 246,212.73/x
  3. Step 3: Cross multiply
    450,201.51x = 621,254.90 × 246,212.73
  4. Step 4: Simplify right side
    450,201.51x = 152,960,863,723.81
  5. Step 5: Solve for x
    x = 152,960,863,723.81/450,201.51
  6. Step 6: Final answer
    x = 339,760.89

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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.