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Finding the Fourth Proportional to 590,028.40, 814,029.24 and 348,189.94

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Solution

The fourth proportional to 590,028.40, 814,029.24 and 348,189.94 is: 480,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,028.40 : 814,029.24 = 348,189.94 : x
  2. Step 2: Convert to fraction form
    590,028.40/814,029.24 = 348,189.94/x
  3. Step 3: Cross multiply
    590,028.40x = 814,029.24 × 348,189.94
  4. Step 4: Simplify right side
    590,028.40x = 283,436,792,233.85
  5. Step 5: Solve for x
    x = 283,436,792,233.85/590,028.40
  6. Step 6: Final answer
    x = 480,378.22

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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.