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Finding the Fourth Proportional to 433,998.90, 650,998.35 and 134,477.10

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Solution

The fourth proportional to 433,998.90, 650,998.35 and 134,477.10 is: 201,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,998.90 : 650,998.35 = 134,477.10 : x
  2. Step 2: Convert to fraction form
    433,998.90/650,998.35 = 134,477.10/x
  3. Step 3: Cross multiply
    433,998.90x = 650,998.35 × 134,477.10
  4. Step 4: Simplify right side
    433,998.90x = 87,544,370,212.79
  5. Step 5: Solve for x
    x = 87,544,370,212.79/433,998.90
  6. Step 6: Final answer
    x = 201,715.65

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Similar ratio
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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.