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Finding the Fourth Proportional to 484,663.50, 668,851.02 and 303,317.46

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Solution

The fourth proportional to 484,663.50, 668,851.02 and 303,317.46 is: 418,587.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,663.50 : 668,851.02 = 303,317.46 : x
  2. Step 2: Convert to fraction form
    484,663.50/668,851.02 = 303,317.46/x
  3. Step 3: Cross multiply
    484,663.50x = 668,851.02 × 303,317.46
  4. Step 4: Simplify right side
    484,663.50x = 202,874,192,504.81
  5. Step 5: Solve for x
    x = 202,874,192,504.81/484,663.50
  6. Step 6: Final answer
    x = 418,587.73

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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.