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Finding the Fourth Proportional to 264,199.62, 395,774.55 and 145,576.74

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Solution

The fourth proportional to 264,199.62, 395,774.55 and 145,576.74 is: 218,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,199.62 : 395,774.55 = 145,576.74 : x
  2. Step 2: Convert to fraction form
    264,199.62/395,774.55 = 145,576.74/x
  3. Step 3: Cross multiply
    264,199.62x = 395,774.55 × 145,576.74
  4. Step 4: Simplify right side
    264,199.62x = 57,615,568,763.97
  5. Step 5: Solve for x
    x = 57,615,568,763.97/264,199.62
  6. Step 6: Final answer
    x = 218,075.90

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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.