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Finding the Fourth Proportional to 322,315.80, 483,303.60 and 109,010.40

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Solution

The fourth proportional to 322,315.80, 483,303.60 and 109,010.40 is: 163,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,315.80 : 483,303.60 = 109,010.40 : x
  2. Step 2: Convert to fraction form
    322,315.80/483,303.60 = 109,010.40/x
  3. Step 3: Cross multiply
    322,315.80x = 483,303.60 × 109,010.40
  4. Step 4: Simplify right side
    322,315.80x = 52,685,118,757.44
  5. Step 5: Solve for x
    x = 52,685,118,757.44/322,315.80
  6. Step 6: Final answer
    x = 163,458.07

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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.