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Finding the Fourth Proportional to 450,951.69, 622,291.05 and 247,003.50

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Solution

The fourth proportional to 450,951.69, 622,291.05 and 247,003.50 is: 340,852.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,951.69 : 622,291.05 = 247,003.50 : x
  2. Step 2: Convert to fraction form
    450,951.69/622,291.05 = 247,003.50/x
  3. Step 3: Cross multiply
    450,951.69x = 622,291.05 × 247,003.50
  4. Step 4: Simplify right side
    450,951.69x = 153,708,067,368.68
  5. Step 5: Solve for x
    x = 153,708,067,368.68/450,951.69
  6. Step 6: Final answer
    x = 340,852.63

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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.