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Finding the Fourth Proportional to 1,228,710.03, 1,841,733.70 and 628,848.73

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Solution

The fourth proportional to 1,228,710.03, 1,841,733.70 and 628,848.73 is: 942,591.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,710.03 : 1,841,733.70 = 628,848.73 : x
  2. Step 2: Convert to fraction form
    1,228,710.03/1,841,733.70 = 628,848.73/x
  3. Step 3: Cross multiply
    1,228,710.03x = 1,841,733.70 × 628,848.73
  4. Step 4: Simplify right side
    1,228,710.03x = 1,158,171,898,243.20
  5. Step 5: Solve for x
    x = 1,158,171,898,243.20/1,228,710.03
  6. Step 6: Final answer
    x = 942,591.72

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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.