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Finding the Fourth Proportional to 585,190.46, 807,628.52 and 330,558.06

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Solution

The fourth proportional to 585,190.46, 807,628.52 and 330,558.06 is: 456,207.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,190.46 : 807,628.52 = 330,558.06 : x
  2. Step 2: Convert to fraction form
    585,190.46/807,628.52 = 330,558.06/x
  3. Step 3: Cross multiply
    585,190.46x = 807,628.52 × 330,558.06
  4. Step 4: Simplify right side
    585,190.46x = 266,968,116,771.87
  5. Step 5: Solve for x
    x = 266,968,116,771.87/585,190.46
  6. Step 6: Final answer
    x = 456,207.23

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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.