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Finding the Fourth Proportional to 1,963,537.71, 2,945,638.71 and 1,004,409.69

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Solution

The fourth proportional to 1,963,537.71, 2,945,638.71 and 1,004,409.69 is: 1,506,784.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963,537.71 : 2,945,638.71 = 1,004,409.69 : x
  2. Step 2: Convert to fraction form
    1,963,537.71/2,945,638.71 = 1,004,409.69/x
  3. Step 3: Cross multiply
    1,963,537.71x = 2,945,638.71 × 1,004,409.69
  4. Step 4: Simplify right side
    1,963,537.71x = 2,958,628,063,563.10
  5. Step 5: Solve for x
    x = 2,958,628,063,563.10/1,963,537.71
  6. Step 6: Final answer
    x = 1,506,784.44

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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.