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Finding the Fourth Proportional to 450,182.70, 621,305.73 and 259,233.30

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Solution

The fourth proportional to 450,182.70, 621,305.73 and 259,233.30 is: 357,772.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,182.70 : 621,305.73 = 259,233.30 : x
  2. Step 2: Convert to fraction form
    450,182.70/621,305.73 = 259,233.30/x
  3. Step 3: Cross multiply
    450,182.70x = 621,305.73 × 259,233.30
  4. Step 4: Simplify right side
    450,182.70x = 161,063,134,696.81
  5. Step 5: Solve for x
    x = 161,063,134,696.81/450,182.70
  6. Step 6: Final answer
    x = 357,772.82

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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.