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Finding the Fourth Proportional to 346,993.46, 478,854.69 and 203,755.22

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Solution

The fourth proportional to 346,993.46, 478,854.69 and 203,755.22 is: 281,184.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,993.46 : 478,854.69 = 203,755.22 : x
  2. Step 2: Convert to fraction form
    346,993.46/478,854.69 = 203,755.22/x
  3. Step 3: Cross multiply
    346,993.46x = 478,854.69 × 203,755.22
  4. Step 4: Simplify right side
    346,993.46x = 97,569,142,708.98
  5. Step 5: Solve for x
    x = 97,569,142,708.98/346,993.46
  6. Step 6: Final answer
    x = 281,184.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.