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Finding the Fourth Proportional to 664,267.32, 916,711.02 and 362,477.88

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Solution

The fourth proportional to 664,267.32, 916,711.02 and 362,477.88 is: 500,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,267.32 : 916,711.02 = 362,477.88 : x
  2. Step 2: Convert to fraction form
    664,267.32/916,711.02 = 362,477.88/x
  3. Step 3: Cross multiply
    664,267.32x = 916,711.02 × 362,477.88
  4. Step 4: Simplify right side
    664,267.32x = 332,287,467,102.24
  5. Step 5: Solve for x
    x = 332,287,467,102.24/664,267.32
  6. Step 6: Final answer
    x = 500,231.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.