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Finding the Fourth Proportional to 318,448.67, 477,677.10 and 93,758.01

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Solution

The fourth proportional to 318,448.67, 477,677.10 and 93,758.01 is: 140,638.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,448.67 : 477,677.10 = 93,758.01 : x
  2. Step 2: Convert to fraction form
    318,448.67/477,677.10 = 93,758.01/x
  3. Step 3: Cross multiply
    318,448.67x = 477,677.10 × 93,758.01
  4. Step 4: Simplify right side
    318,448.67x = 44,786,052,351.49
  5. Step 5: Solve for x
    x = 44,786,052,351.49/318,448.67
  6. Step 6: Final answer
    x = 140,638.22

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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.