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Finding the Fourth Proportional to 296,176.68, 408,733.20 and 162,040.68

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Solution

The fourth proportional to 296,176.68, 408,733.20 and 162,040.68 is: 223,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,176.68 : 408,733.20 = 162,040.68 : x
  2. Step 2: Convert to fraction form
    296,176.68/408,733.20 = 162,040.68/x
  3. Step 3: Cross multiply
    296,176.68x = 408,733.20 × 162,040.68
  4. Step 4: Simplify right side
    296,176.68x = 66,231,405,666.58
  5. Step 5: Solve for x
    x = 66,231,405,666.58/296,176.68
  6. Step 6: Final answer
    x = 223,621.27

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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.