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Finding the Fourth Proportional to 1,889,917.40, 2,834,887.40 and 469,973.50

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Solution

The fourth proportional to 1,889,917.40, 2,834,887.40 and 469,973.50 is: 704,963.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,917.40 : 2,834,887.40 = 469,973.50 : x
  2. Step 2: Convert to fraction form
    1,889,917.40/2,834,887.40 = 469,973.50/x
  3. Step 3: Cross multiply
    1,889,917.40x = 2,834,887.40 × 469,973.50
  4. Step 4: Simplify right side
    1,889,917.40x = 1,332,321,953,483.90
  5. Step 5: Solve for x
    x = 1,332,321,953,483.90/1,889,917.40
  6. Step 6: Final answer
    x = 704,963.06

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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.