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Finding the Fourth Proportional to 303,676.70, 455,525.85 and 93,314.30

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Solution

The fourth proportional to 303,676.70, 455,525.85 and 93,314.30 is: 139,974.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,676.70 : 455,525.85 = 93,314.30 : x
  2. Step 2: Convert to fraction form
    303,676.70/455,525.85 = 93,314.30/x
  3. Step 3: Cross multiply
    303,676.70x = 455,525.85 × 93,314.30
  4. Step 4: Simplify right side
    303,676.70x = 42,507,075,824.66
  5. Step 5: Solve for x
    x = 42,507,075,824.66/303,676.70
  6. Step 6: Final answer
    x = 139,974.77

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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.