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Finding the Fourth Proportional to 263,908.65, 364,242.69 and 150,731.40

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Solution

The fourth proportional to 263,908.65, 364,242.69 and 150,731.40 is: 208,037.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,908.65 : 364,242.69 = 150,731.40 : x
  2. Step 2: Convert to fraction form
    263,908.65/364,242.69 = 150,731.40/x
  3. Step 3: Cross multiply
    263,908.65x = 364,242.69 × 150,731.40
  4. Step 4: Simplify right side
    263,908.65x = 54,902,810,603.47
  5. Step 5: Solve for x
    x = 54,902,810,603.47/263,908.65
  6. Step 6: Final answer
    x = 208,037.18

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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.