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Finding the Fourth Proportional to 2,761,818, 4,142,778.88 and 767,325.84

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Solution

The fourth proportional to 2,761,818, 4,142,778.88 and 767,325.84 is: 1,151,003.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,818 : 4,142,778.88 = 767,325.84 : x
  2. Step 2: Convert to fraction form
    2,761,818/4,142,778.88 = 767,325.84/x
  3. Step 3: Cross multiply
    2,761,818x = 4,142,778.88 × 767,325.84
  4. Step 4: Simplify right side
    2,761,818x = 3,178,861,284,030.26
  5. Step 5: Solve for x
    x = 3,178,861,284,030.26/2,761,818
  6. Step 6: Final answer
    x = 1,151,003.17

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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.