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Finding the Fourth Proportional to 223,661.80, 334,520.70 and 200,139.40

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Solution

The fourth proportional to 223,661.80, 334,520.70 and 200,139.40 is: 299,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,661.80 : 334,520.70 = 200,139.40 : x
  2. Step 2: Convert to fraction form
    223,661.80/334,520.70 = 200,139.40/x
  3. Step 3: Cross multiply
    223,661.80x = 334,520.70 × 200,139.40
  4. Step 4: Simplify right side
    223,661.80x = 66,950,772,185.58
  5. Step 5: Solve for x
    x = 66,950,772,185.58/223,661.80
  6. Step 6: Final answer
    x = 299,339.32

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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.