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Finding the Fourth Proportional to 637,732.64, 956,733.90 and 211,244.33

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Solution

The fourth proportional to 637,732.64, 956,733.90 and 211,244.33 is: 316,911.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,732.64 : 956,733.90 = 211,244.33 : x
  2. Step 2: Convert to fraction form
    637,732.64/956,733.90 = 211,244.33/x
  3. Step 3: Cross multiply
    637,732.64x = 956,733.90 × 211,244.33
  4. Step 4: Simplify right side
    637,732.64x = 202,104,611,693.79
  5. Step 5: Solve for x
    x = 202,104,611,693.79/637,732.64
  6. Step 6: Final answer
    x = 316,911.19

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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.