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Finding the Fourth Proportional to 334,048.19, 500,481.80 and 221,461.43

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Solution

The fourth proportional to 334,048.19, 500,481.80 and 221,461.43 is: 331,800.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,048.19 : 500,481.80 = 221,461.43 : x
  2. Step 2: Convert to fraction form
    334,048.19/500,481.80 = 221,461.43/x
  3. Step 3: Cross multiply
    334,048.19x = 500,481.80 × 221,461.43
  4. Step 4: Simplify right side
    334,048.19x = 110,837,415,260.87
  5. Step 5: Solve for x
    x = 110,837,415,260.87/334,048.19
  6. Step 6: Final answer
    x = 331,800.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.