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Finding the Fourth Proportional to 254,794.84, 351,559.72 and 154,190.68

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Solution

The fourth proportional to 254,794.84, 351,559.72 and 154,190.68 is: 212,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,794.84 : 351,559.72 = 154,190.68 : x
  2. Step 2: Convert to fraction form
    254,794.84/351,559.72 = 154,190.68/x
  3. Step 3: Cross multiply
    254,794.84x = 351,559.72 × 154,190.68
  4. Step 4: Simplify right side
    254,794.84x = 54,207,232,287.41
  5. Step 5: Solve for x
    x = 54,207,232,287.41/254,794.84
  6. Step 6: Final answer
    x = 212,748.55

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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.