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Finding the Fourth Proportional to 590,238.90, 814,505.63 and 348,599.70

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Solution

The fourth proportional to 590,238.90, 814,505.63 and 348,599.70 is: 481,053.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,238.90 : 814,505.63 = 348,599.70 : x
  2. Step 2: Convert to fraction form
    590,238.90/814,505.63 = 348,599.70/x
  3. Step 3: Cross multiply
    590,238.90x = 814,505.63 × 348,599.70
  4. Step 4: Simplify right side
    590,238.90x = 283,936,416,523.31
  5. Step 5: Solve for x
    x = 283,936,416,523.31/590,238.90
  6. Step 6: Final answer
    x = 481,053.38

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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.