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Finding the Fourth Proportional to 1,976,654.64, 2,965,199.91 and 628,501.88

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Solution

The fourth proportional to 1,976,654.64, 2,965,199.91 and 628,501.88 is: 942,822.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,654.64 : 2,965,199.91 = 628,501.88 : x
  2. Step 2: Convert to fraction form
    1,976,654.64/2,965,199.91 = 628,501.88/x
  3. Step 3: Cross multiply
    1,976,654.64x = 2,965,199.91 × 628,501.88
  4. Step 4: Simplify right side
    1,976,654.64x = 1,863,633,723,066.95
  5. Step 5: Solve for x
    x = 1,863,633,723,066.95/1,976,654.64
  6. Step 6: Final answer
    x = 942,822.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.