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Finding the Fourth Proportional to 1,703,375.88, 2,549,749.36 and 1,254,603.48

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Solution

The fourth proportional to 1,703,375.88, 2,549,749.36 and 1,254,603.48 is: 1,877,990.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,375.88 : 2,549,749.36 = 1,254,603.48 : x
  2. Step 2: Convert to fraction form
    1,703,375.88/2,549,749.36 = 1,254,603.48/x
  3. Step 3: Cross multiply
    1,703,375.88x = 2,549,749.36 × 1,254,603.48
  4. Step 4: Simplify right side
    1,703,375.88x = 3,198,924,420,183.77
  5. Step 5: Solve for x
    x = 3,198,924,420,183.77/1,703,375.88
  6. Step 6: Final answer
    x = 1,877,990.91

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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.