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Finding the Fourth Proportional to 471,946.20, 708,380.10 and 235,555.80

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Solution

The fourth proportional to 471,946.20, 708,380.10 and 235,555.80 is: 353,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,946.20 : 708,380.10 = 235,555.80 : x
  2. Step 2: Convert to fraction form
    471,946.20/708,380.10 = 235,555.80/x
  3. Step 3: Cross multiply
    471,946.20x = 708,380.10 × 235,555.80
  4. Step 4: Simplify right side
    471,946.20x = 166,863,041,159.58
  5. Step 5: Solve for x
    x = 166,863,041,159.58/471,946.20
  6. Step 6: Final answer
    x = 353,563.69

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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.