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Finding the Fourth Proportional to 1,834,739.19, 2,751,018.48 and 697,584.60

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Solution

The fourth proportional to 1,834,739.19, 2,751,018.48 and 697,584.60 is: 1,045,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834,739.19 : 2,751,018.48 = 697,584.60 : x
  2. Step 2: Convert to fraction form
    1,834,739.19/2,751,018.48 = 697,584.60/x
  3. Step 3: Cross multiply
    1,834,739.19x = 2,751,018.48 × 697,584.60
  4. Step 4: Simplify right side
    1,834,739.19x = 1,919,068,125,963.41
  5. Step 5: Solve for x
    x = 1,919,068,125,963.41/1,834,739.19
  6. Step 6: Final answer
    x = 1,045,962.36

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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.