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Finding the Fourth Proportional to 433,816.54, 650,483.40 and 134,212.12

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Solution

The fourth proportional to 433,816.54, 650,483.40 and 134,212.12 is: 201,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,816.54 : 650,483.40 = 134,212.12 : x
  2. Step 2: Convert to fraction form
    433,816.54/650,483.40 = 134,212.12/x
  3. Step 3: Cross multiply
    433,816.54x = 650,483.40 × 134,212.12
  4. Step 4: Simplify right side
    433,816.54x = 87,302,756,138.81
  5. Step 5: Solve for x
    x = 87,302,756,138.81/433,816.54
  6. Step 6: Final answer
    x = 201,243.49

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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.