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Finding the Fourth Proportional to 303,255.36, 454,688.64 and 125,884.80

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Solution

The fourth proportional to 303,255.36, 454,688.64 and 125,884.80 is: 188,746.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,255.36 : 454,688.64 = 125,884.80 : x
  2. Step 2: Convert to fraction form
    303,255.36/454,688.64 = 125,884.80/x
  3. Step 3: Cross multiply
    303,255.36x = 454,688.64 × 125,884.80
  4. Step 4: Simplify right side
    303,255.36x = 57,238,388,508.67
  5. Step 5: Solve for x
    x = 57,238,388,508.67/303,255.36
  6. Step 6: Final answer
    x = 188,746.50

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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.