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Finding the Fourth Proportional to 1,890,927.13, 2,836,415.27 and 628,754.71

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Solution

The fourth proportional to 1,890,927.13, 2,836,415.27 and 628,754.71 is: 943,140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,927.13 : 2,836,415.27 = 628,754.71 : x
  2. Step 2: Convert to fraction form
    1,890,927.13/2,836,415.27 = 628,754.71/x
  3. Step 3: Cross multiply
    1,890,927.13x = 2,836,415.27 × 628,754.71
  4. Step 4: Simplify right side
    1,890,927.13x = 1,783,409,460,528.42
  5. Step 5: Solve for x
    x = 1,783,409,460,528.42/1,890,927.13
  6. Step 6: Final answer
    x = 943,140.24

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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.