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Finding the Fourth Proportional to 3,001,073.22, 4,501,980 and 978,776.46

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Solution

The fourth proportional to 3,001,073.22, 4,501,980 and 978,776.46 is: 1,468,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001,073.22 : 4,501,980 = 978,776.46 : x
  2. Step 2: Convert to fraction form
    3,001,073.22/4,501,980 = 978,776.46/x
  3. Step 3: Cross multiply
    3,001,073.22x = 4,501,980 × 978,776.46
  4. Step 4: Simplify right side
    3,001,073.22x = 4,406,432,047,390.80
  5. Step 5: Solve for x
    x = 4,406,432,047,390.80/3,001,073.22
  6. Step 6: Final answer
    x = 1,468,285.42

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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.