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Finding the Fourth Proportional to 580,674.50, 871,066.71 and 225,715.94

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Solution

The fourth proportional to 580,674.50, 871,066.71 and 225,715.94 is: 338,595.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,674.50 : 871,066.71 = 225,715.94 : x
  2. Step 2: Convert to fraction form
    580,674.50/871,066.71 = 225,715.94/x
  3. Step 3: Cross multiply
    580,674.50x = 871,066.71 × 225,715.94
  4. Step 4: Simplify right side
    580,674.50x = 196,613,641,250.36
  5. Step 5: Solve for x
    x = 196,613,641,250.36/580,674.50
  6. Step 6: Final answer
    x = 338,595.27

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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.