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Finding the Fourth Proportional to 318,597.22, 439,664.27 and 175,356.24

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Solution

The fourth proportional to 318,597.22, 439,664.27 and 175,356.24 is: 241,991.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,597.22 : 439,664.27 = 175,356.24 : x
  2. Step 2: Convert to fraction form
    318,597.22/439,664.27 = 175,356.24/x
  3. Step 3: Cross multiply
    318,597.22x = 439,664.27 × 175,356.24
  4. Step 4: Simplify right side
    318,597.22x = 77,097,873,249.54
  5. Step 5: Solve for x
    x = 77,097,873,249.54/318,597.22
  6. Step 6: Final answer
    x = 241,991.67

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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.