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Finding the Fourth Proportional to 1,408,608, 2,113,223.04 and 522,144

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Solution

The fourth proportional to 1,408,608, 2,113,223.04 and 522,144 is: 783,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,608 : 2,113,223.04 = 522,144 : x
  2. Step 2: Convert to fraction form
    1,408,608/2,113,223.04 = 522,144/x
  3. Step 3: Cross multiply
    1,408,608x = 2,113,223.04 × 522,144
  4. Step 4: Simplify right side
    1,408,608x = 1,103,406,730,997.76
  5. Step 5: Solve for x
    x = 1,103,406,730,997.76/1,408,608
  6. Step 6: Final answer
    x = 783,331.30

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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.