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Finding the Fourth Proportional to 471,415.39, 650,100.94 and 316,716.19

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Solution

The fourth proportional to 471,415.39, 650,100.94 and 316,716.19 is: 436,764.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,415.39 : 650,100.94 = 316,716.19 : x
  2. Step 2: Convert to fraction form
    471,415.39/650,100.94 = 316,716.19/x
  3. Step 3: Cross multiply
    471,415.39x = 650,100.94 × 316,716.19
  4. Step 4: Simplify right side
    471,415.39x = 205,897,490,415.18
  5. Step 5: Solve for x
    x = 205,897,490,415.18/471,415.39
  6. Step 6: Final answer
    x = 436,764.47

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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.