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Finding the Fourth Proportional to 380,588.90, 524,959.45 and 244,794.69

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Solution

The fourth proportional to 380,588.90, 524,959.45 and 244,794.69 is: 337,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,588.90 : 524,959.45 = 244,794.69 : x
  2. Step 2: Convert to fraction form
    380,588.90/524,959.45 = 244,794.69/x
  3. Step 3: Cross multiply
    380,588.90x = 524,959.45 × 244,794.69
  4. Step 4: Simplify right side
    380,588.90x = 128,507,285,213.33
  5. Step 5: Solve for x
    x = 128,507,285,213.33/380,588.90
  6. Step 6: Final answer
    x = 337,653.80

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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.