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Finding the Fourth Proportional to 254,604.69, 381,402.64 and 174,445.67

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Solution

The fourth proportional to 254,604.69, 381,402.64 and 174,445.67 is: 261,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,604.69 : 381,402.64 = 174,445.67 : x
  2. Step 2: Convert to fraction form
    254,604.69/381,402.64 = 174,445.67/x
  3. Step 3: Cross multiply
    254,604.69x = 381,402.64 × 174,445.67
  4. Step 4: Simplify right side
    254,604.69x = 66,534,039,074.57
  5. Step 5: Solve for x
    x = 66,534,039,074.57/254,604.69
  6. Step 6: Final answer
    x = 261,322.91

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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.