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Finding the Fourth Proportional to 616,325.88, 922,910.52 and 426,523.44

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Solution

The fourth proportional to 616,325.88, 922,910.52 and 426,523.44 is: 638,692.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,325.88 : 922,910.52 = 426,523.44 : x
  2. Step 2: Convert to fraction form
    616,325.88/922,910.52 = 426,523.44/x
  3. Step 3: Cross multiply
    616,325.88x = 922,910.52 × 426,523.44
  4. Step 4: Simplify right side
    616,325.88x = 393,642,969,802.59
  5. Step 5: Solve for x
    x = 393,642,969,802.59/616,325.88
  6. Step 6: Final answer
    x = 638,692.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.