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Finding the Fourth Proportional to 354,506.58, 531,996.36 and 183,885.54

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Solution

The fourth proportional to 354,506.58, 531,996.36 and 183,885.54 is: 275,950.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,506.58 : 531,996.36 = 183,885.54 : x
  2. Step 2: Convert to fraction form
    354,506.58/531,996.36 = 183,885.54/x
  3. Step 3: Cross multiply
    354,506.58x = 531,996.36 × 183,885.54
  4. Step 4: Simplify right side
    354,506.58x = 97,826,437,936.63
  5. Step 5: Solve for x
    x = 97,826,437,936.63/354,506.58
  6. Step 6: Final answer
    x = 275,950.98

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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.