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Finding the Fourth Proportional to 297,881.25, 410,911.07 and 188,785.23

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Solution

The fourth proportional to 297,881.25, 410,911.07 and 188,785.23 is: 260,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,881.25 : 410,911.07 = 188,785.23 : x
  2. Step 2: Convert to fraction form
    297,881.25/410,911.07 = 188,785.23/x
  3. Step 3: Cross multiply
    297,881.25x = 410,911.07 × 188,785.23
  4. Step 4: Simplify right side
    297,881.25x = 77,573,940,859.50
  5. Step 5: Solve for x
    x = 77,573,940,859.50/297,881.25
  6. Step 6: Final answer
    x = 260,419.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.