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Finding the Fourth Proportional to 590,346.28, 814,888.21 and 348,629.83

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Solution

The fourth proportional to 590,346.28, 814,888.21 and 348,629.83 is: 481,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,346.28 : 814,888.21 = 348,629.83 : x
  2. Step 2: Convert to fraction form
    590,346.28/814,888.21 = 348,629.83/x
  3. Step 3: Cross multiply
    590,346.28x = 814,888.21 × 348,629.83
  4. Step 4: Simplify right side
    590,346.28x = 284,094,338,121.30
  5. Step 5: Solve for x
    x = 284,094,338,121.30/590,346.28
  6. Step 6: Final answer
    x = 481,233.38

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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.