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Finding the Fourth Proportional to 355,609.46, 533,467.24 and 130,952.64

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Solution

The fourth proportional to 355,609.46, 533,467.24 and 130,952.64 is: 196,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,609.46 : 533,467.24 = 130,952.64 : x
  2. Step 2: Convert to fraction form
    355,609.46/533,467.24 = 130,952.64/x
  3. Step 3: Cross multiply
    355,609.46x = 533,467.24 × 130,952.64
  4. Step 4: Simplify right side
    355,609.46x = 69,858,943,431.51
  5. Step 5: Solve for x
    x = 69,858,943,431.51/355,609.46
  6. Step 6: Final answer
    x = 196,448.50

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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.