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Finding the Fourth Proportional to 439,996.68, 607,195.26 and 238,792.68

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Solution

The fourth proportional to 439,996.68, 607,195.26 and 238,792.68 is: 329,533.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,996.68 : 607,195.26 = 238,792.68 : x
  2. Step 2: Convert to fraction form
    439,996.68/607,195.26 = 238,792.68/x
  3. Step 3: Cross multiply
    439,996.68x = 607,195.26 × 238,792.68
  4. Step 4: Simplify right side
    439,996.68x = 144,993,783,418.70
  5. Step 5: Solve for x
    x = 144,993,783,418.70/439,996.68
  6. Step 6: Final answer
    x = 329,533.81

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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.