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Finding the Fourth Proportional to 294,391.08, 441,590.46 and 128,172.84

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Solution

The fourth proportional to 294,391.08, 441,590.46 and 128,172.84 is: 192,260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,391.08 : 441,590.46 = 128,172.84 : x
  2. Step 2: Convert to fraction form
    294,391.08/441,590.46 = 128,172.84/x
  3. Step 3: Cross multiply
    294,391.08x = 441,590.46 × 128,172.84
  4. Step 4: Simplify right side
    294,391.08x = 56,599,903,375.11
  5. Step 5: Solve for x
    x = 56,599,903,375.11/294,391.08
  6. Step 6: Final answer
    x = 192,260.93

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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.