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Finding the Fourth Proportional to 322,268.67, 483,412.59 and 153,806.76

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Solution

The fourth proportional to 322,268.67, 483,412.59 and 153,806.76 is: 230,714.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,268.67 : 483,412.59 = 153,806.76 : x
  2. Step 2: Convert to fraction form
    322,268.67/483,412.59 = 153,806.76/x
  3. Step 3: Cross multiply
    322,268.67x = 483,412.59 × 153,806.76
  4. Step 4: Simplify right side
    322,268.67x = 74,352,124,211.11
  5. Step 5: Solve for x
    x = 74,352,124,211.11/322,268.67
  6. Step 6: Final answer
    x = 230,714.71

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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.