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Finding the Fourth Proportional to 471,363.84, 650,495.66 and 256,517.51

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Solution

The fourth proportional to 471,363.84, 650,495.66 and 256,517.51 is: 354,001.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,363.84 : 650,495.66 = 256,517.51 : x
  2. Step 2: Convert to fraction form
    471,363.84/650,495.66 = 256,517.51/x
  3. Step 3: Cross multiply
    471,363.84x = 650,495.66 × 256,517.51
  4. Step 4: Simplify right side
    471,363.84x = 166,863,526,969.01
  5. Step 5: Solve for x
    x = 166,863,526,969.01/471,363.84
  6. Step 6: Final answer
    x = 354,001.55

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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.