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Finding the Fourth Proportional to 341,228.50, 470,894.01 and 188,276.21

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Solution

The fourth proportional to 341,228.50, 470,894.01 and 188,276.21 is: 259,820.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,228.50 : 470,894.01 = 188,276.21 : x
  2. Step 2: Convert to fraction form
    341,228.50/470,894.01 = 188,276.21/x
  3. Step 3: Cross multiply
    341,228.50x = 470,894.01 × 188,276.21
  4. Step 4: Simplify right side
    341,228.50x = 88,658,138,573.12
  5. Step 5: Solve for x
    x = 88,658,138,573.12/341,228.50
  6. Step 6: Final answer
    x = 259,820.44

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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.