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Finding the Fourth Proportional to 1,583,788.43, 2,375,682.56 and 730,607.63

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Solution

The fourth proportional to 1,583,788.43, 2,375,682.56 and 730,607.63 is: 1,095,911.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,788.43 : 2,375,682.56 = 730,607.63 : x
  2. Step 2: Convert to fraction form
    1,583,788.43/2,375,682.56 = 730,607.63/x
  3. Step 3: Cross multiply
    1,583,788.43x = 2,375,682.56 × 730,607.63
  4. Step 4: Simplify right side
    1,583,788.43x = 1,735,691,809,475.14
  5. Step 5: Solve for x
    x = 1,735,691,809,475.14/1,583,788.43
  6. Step 6: Final answer
    x = 1,095,911.41

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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.