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Finding the Fourth Proportional to 483,717.60, 725,317.20 and 202,917.60

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Solution

The fourth proportional to 483,717.60, 725,317.20 and 202,917.60 is: 304,267.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,717.60 : 725,317.20 = 202,917.60 : x
  2. Step 2: Convert to fraction form
    483,717.60/725,317.20 = 202,917.60/x
  3. Step 3: Cross multiply
    483,717.60x = 725,317.20 × 202,917.60
  4. Step 4: Simplify right side
    483,717.60x = 147,179,625,462.72
  5. Step 5: Solve for x
    x = 147,179,625,462.72/483,717.60
  6. Step 6: Final answer
    x = 304,267.67

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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.