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Finding the Fourth Proportional to 1,974,809, 2,962,223.22 and 478,901

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Solution

The fourth proportional to 1,974,809, 2,962,223.22 and 478,901 is: 718,353.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,809 : 2,962,223.22 = 478,901 : x
  2. Step 2: Convert to fraction form
    1,974,809/2,962,223.22 = 478,901/x
  3. Step 3: Cross multiply
    1,974,809x = 2,962,223.22 × 478,901
  4. Step 4: Simplify right side
    1,974,809x = 1,418,611,662,281.22
  5. Step 5: Solve for x
    x = 1,418,611,662,281.22/1,974,809
  6. Step 6: Final answer
    x = 718,353.86

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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.