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Finding the Fourth Proportional to 318,035.46, 476,936.55 and 93,338.22

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Solution

The fourth proportional to 318,035.46, 476,936.55 and 93,338.22 is: 139,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,035.46 : 476,936.55 = 93,338.22 : x
  2. Step 2: Convert to fraction form
    318,035.46/476,936.55 = 93,338.22/x
  3. Step 3: Cross multiply
    318,035.46x = 476,936.55 × 93,338.22
  4. Step 4: Simplify right side
    318,035.46x = 44,516,408,629.94
  5. Step 5: Solve for x
    x = 44,516,408,629.94/318,035.46
  6. Step 6: Final answer
    x = 139,973.10

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1.5x scale

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.