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Finding the Fourth Proportional to 590,570.28, 814,975.62 and 322,300.20

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Solution

The fourth proportional to 590,570.28, 814,975.62 and 322,300.20 is: 444,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,570.28 : 814,975.62 = 322,300.20 : x
  2. Step 2: Convert to fraction form
    590,570.28/814,975.62 = 322,300.20/x
  3. Step 3: Cross multiply
    590,570.28x = 814,975.62 × 322,300.20
  4. Step 4: Simplify right side
    590,570.28x = 262,666,805,321.12
  5. Step 5: Solve for x
    x = 262,666,805,321.12/590,570.28
  6. Step 6: Final answer
    x = 444,768.07

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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.