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Finding the Fourth Proportional to 291,260.70, 436,953.42 and 164,960.64

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Solution

The fourth proportional to 291,260.70, 436,953.42 and 164,960.64 is: 247,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,260.70 : 436,953.42 = 164,960.64 : x
  2. Step 2: Convert to fraction form
    291,260.70/436,953.42 = 164,960.64/x
  3. Step 3: Cross multiply
    291,260.70x = 436,953.42 × 164,960.64
  4. Step 4: Simplify right side
    291,260.70x = 72,080,115,813.39
  5. Step 5: Solve for x
    x = 72,080,115,813.39/291,260.70
  6. Step 6: Final answer
    x = 247,476.28

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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.