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Finding the Fourth Proportional to 341,906.40, 471,830.40 and 191,003.40

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Solution

The fourth proportional to 341,906.40, 471,830.40 and 191,003.40 is: 263,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,906.40 : 471,830.40 = 191,003.40 : x
  2. Step 2: Convert to fraction form
    341,906.40/471,830.40 = 191,003.40/x
  3. Step 3: Cross multiply
    341,906.40x = 471,830.40 × 191,003.40
  4. Step 4: Simplify right side
    341,906.40x = 90,121,210,623.36
  5. Step 5: Solve for x
    x = 90,121,210,623.36/341,906.40
  6. Step 6: Final answer
    x = 263,584.45

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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.