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Finding the Fourth Proportional to 1,300,881.98, 1,949,300.11 and 902,301.50

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Solution

The fourth proportional to 1,300,881.98, 1,949,300.11 and 902,301.50 is: 1,352,049.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,881.98 : 1,949,300.11 = 902,301.50 : x
  2. Step 2: Convert to fraction form
    1,300,881.98/1,949,300.11 = 902,301.50/x
  3. Step 3: Cross multiply
    1,300,881.98x = 1,949,300.11 × 902,301.50
  4. Step 4: Simplify right side
    1,300,881.98x = 1,758,856,413,203.17
  5. Step 5: Solve for x
    x = 1,758,856,413,203.17/1,300,881.98
  6. Step 6: Final answer
    x = 1,352,049.18

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