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Finding the Fourth Proportional to 292,469.92, 438,713.82 and 100,341.65

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Solution

The fourth proportional to 292,469.92, 438,713.82 and 100,341.65 is: 150,515.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,469.92 : 438,713.82 = 100,341.65 : x
  2. Step 2: Convert to fraction form
    292,469.92/438,713.82 = 100,341.65/x
  3. Step 3: Cross multiply
    292,469.92x = 438,713.82 × 100,341.65
  4. Step 4: Simplify right side
    292,469.92x = 44,021,268,576.60
  5. Step 5: Solve for x
    x = 44,021,268,576.60/292,469.92
  6. Step 6: Final answer
    x = 150,515.54

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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.