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Finding the Fourth Proportional to 1,738,509.10, 2,607,763.65 and 1,100,779.90

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Solution

The fourth proportional to 1,738,509.10, 2,607,763.65 and 1,100,779.90 is: 1,651,169.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,509.10 : 2,607,763.65 = 1,100,779.90 : x
  2. Step 2: Convert to fraction form
    1,738,509.10/2,607,763.65 = 1,100,779.90/x
  3. Step 3: Cross multiply
    1,738,509.10x = 2,607,763.65 × 1,100,779.90
  4. Step 4: Simplify right side
    1,738,509.10x = 2,870,573,809,870.64
  5. Step 5: Solve for x
    x = 2,870,573,809,870.64/1,738,509.10
  6. Step 6: Final answer
    x = 1,651,169.85

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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.