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Finding the Fourth Proportional to 353,182.20, 530,550.90 and 248,206.20

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Solution

The fourth proportional to 353,182.20, 530,550.90 and 248,206.20 is: 372,855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,182.20 : 530,550.90 = 248,206.20 : x
  2. Step 2: Convert to fraction form
    353,182.20/530,550.90 = 248,206.20/x
  3. Step 3: Cross multiply
    353,182.20x = 530,550.90 × 248,206.20
  4. Step 4: Simplify right side
    353,182.20x = 131,686,022,795.58
  5. Step 5: Solve for x
    x = 131,686,022,795.58/353,182.20
  6. Step 6: Final answer
    x = 372,855.77

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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.