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Finding the Fourth Proportional to 478,874.60, 718,211.10 and 241,994.60

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Solution

The fourth proportional to 478,874.60, 718,211.10 and 241,994.60 is: 362,940.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,874.60 : 718,211.10 = 241,994.60 : x
  2. Step 2: Convert to fraction form
    478,874.60/718,211.10 = 241,994.60/x
  3. Step 3: Cross multiply
    478,874.60x = 718,211.10 × 241,994.60
  4. Step 4: Simplify right side
    478,874.60x = 173,803,207,860.06
  5. Step 5: Solve for x
    x = 173,803,207,860.06/478,874.60
  6. Step 6: Final answer
    x = 362,940.96

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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.