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Finding the Fourth Proportional to 1,961,182.08, 2,939,051.52 and 893,615.04

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Solution

The fourth proportional to 1,961,182.08, 2,939,051.52 and 893,615.04 is: 1,339,182.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,182.08 : 2,939,051.52 = 893,615.04 : x
  2. Step 2: Convert to fraction form
    1,961,182.08/2,939,051.52 = 893,615.04/x
  3. Step 3: Cross multiply
    1,961,182.08x = 2,939,051.52 × 893,615.04
  4. Step 4: Simplify right side
    1,961,182.08x = 2,626,380,641,606.86
  5. Step 5: Solve for x
    x = 2,626,380,641,606.86/1,961,182.08
  6. Step 6: Final answer
    x = 1,339,182.46

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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.