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Finding the Fourth Proportional to 603,554.96, 832,913.16 and 331,636.88

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Solution

The fourth proportional to 603,554.96, 832,913.16 and 331,636.88 is: 457,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,554.96 : 832,913.16 = 331,636.88 : x
  2. Step 2: Convert to fraction form
    603,554.96/832,913.16 = 331,636.88/x
  3. Step 3: Cross multiply
    603,554.96x = 832,913.16 × 331,636.88
  4. Step 4: Simplify right side
    603,554.96x = 276,224,721,693.34
  5. Step 5: Solve for x
    x = 276,224,721,693.34/603,554.96
  6. Step 6: Final answer
    x = 457,662.91

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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.