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Finding the Fourth Proportional to 322,112.76, 483,070.68 and 153,544.20

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Solution

The fourth proportional to 322,112.76, 483,070.68 and 153,544.20 is: 230,269.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,112.76 : 483,070.68 = 153,544.20 : x
  2. Step 2: Convert to fraction form
    322,112.76/483,070.68 = 153,544.20/x
  3. Step 3: Cross multiply
    322,112.76x = 483,070.68 × 153,544.20
  4. Step 4: Simplify right side
    322,112.76x = 74,172,701,104.06
  5. Step 5: Solve for x
    x = 74,172,701,104.06/322,112.76
  6. Step 6: Final answer
    x = 230,269.37

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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.