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Finding the Fourth Proportional to 450,967.76, 622,344.44 and 247,018.67

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Solution

The fourth proportional to 450,967.76, 622,344.44 and 247,018.67 is: 340,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,967.76 : 622,344.44 = 247,018.67 : x
  2. Step 2: Convert to fraction form
    450,967.76/622,344.44 = 247,018.67/x
  3. Step 3: Cross multiply
    450,967.76x = 622,344.44 × 247,018.67
  4. Step 4: Simplify right side
    450,967.76x = 153,730,691,503.88
  5. Step 5: Solve for x
    x = 153,730,691,503.88/450,967.76
  6. Step 6: Final answer
    x = 340,890.65

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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.