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Finding the Fourth Proportional to 332,118.63, 498,185.64 and 118,901.12

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Solution

The fourth proportional to 332,118.63, 498,185.64 and 118,901.12 is: 178,354.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,118.63 : 498,185.64 = 118,901.12 : x
  2. Step 2: Convert to fraction form
    332,118.63/498,185.64 = 118,901.12/x
  3. Step 3: Cross multiply
    332,118.63x = 498,185.64 × 118,901.12
  4. Step 4: Simplify right side
    332,118.63x = 59,234,828,072.99
  5. Step 5: Solve for x
    x = 59,234,828,072.99/332,118.63
  6. Step 6: Final answer
    x = 178,354.43

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1.5x scale

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.