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Finding the Fourth Proportional to 2,523,656.07, 3,784,918.17 and 726,138.90

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Solution

The fourth proportional to 2,523,656.07, 3,784,918.17 and 726,138.90 is: 1,089,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523,656.07 : 3,784,918.17 = 726,138.90 : x
  2. Step 2: Convert to fraction form
    2,523,656.07/3,784,918.17 = 726,138.90/x
  3. Step 3: Cross multiply
    2,523,656.07x = 3,784,918.17 × 726,138.90
  4. Step 4: Simplify right side
    2,523,656.07x = 2,748,376,316,553.81
  5. Step 5: Solve for x
    x = 2,748,376,316,553.81/2,523,656.07
  6. Step 6: Final answer
    x = 1,089,045.51

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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.