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Finding the Fourth Proportional to 298,353.07, 411,735.96 and 162,395.79

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Solution

The fourth proportional to 298,353.07, 411,735.96 and 162,395.79 is: 224,110.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,353.07 : 411,735.96 = 162,395.79 : x
  2. Step 2: Convert to fraction form
    298,353.07/411,735.96 = 162,395.79/x
  3. Step 3: Cross multiply
    298,353.07x = 411,735.96 × 162,395.79
  4. Step 4: Simplify right side
    298,353.07x = 66,864,184,951.60
  5. Step 5: Solve for x
    x = 66,864,184,951.60/298,353.07
  6. Step 6: Final answer
    x = 224,110.93

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1.5x scale

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.