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Finding the Fourth Proportional to 318,065.27, 438,924.38 and 174,825.27

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Solution

The fourth proportional to 318,065.27, 438,924.38 and 174,825.27 is: 241,255.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,065.27 : 438,924.38 = 174,825.27 : x
  2. Step 2: Convert to fraction form
    318,065.27/438,924.38 = 174,825.27/x
  3. Step 3: Cross multiply
    318,065.27x = 438,924.38 × 174,825.27
  4. Step 4: Simplify right side
    318,065.27x = 76,735,072,368.96
  5. Step 5: Solve for x
    x = 76,735,072,368.96/318,065.27
  6. Step 6: Final answer
    x = 241,255.74

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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.