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Finding the Fourth Proportional to 2,602,905.48, 3,904,243.20 and 709,647.12

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Solution

The fourth proportional to 2,602,905.48, 3,904,243.20 and 709,647.12 is: 1,064,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602,905.48 : 3,904,243.20 = 709,647.12 : x
  2. Step 2: Convert to fraction form
    2,602,905.48/3,904,243.20 = 709,647.12/x
  3. Step 3: Cross multiply
    2,602,905.48x = 3,904,243.20 × 709,647.12
  4. Step 4: Simplify right side
    2,602,905.48x = 2,770,634,942,659.58
  5. Step 5: Solve for x
    x = 2,770,634,942,659.58/2,602,905.48
  6. Step 6: Final answer
    x = 1,064,439.32

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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.