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Finding the Fourth Proportional to 464,552.66, 641,170.20 and 303,127.46

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Solution

The fourth proportional to 464,552.66, 641,170.20 and 303,127.46 is: 418,373.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,552.66 : 641,170.20 = 303,127.46 : x
  2. Step 2: Convert to fraction form
    464,552.66/641,170.20 = 303,127.46/x
  3. Step 3: Cross multiply
    464,552.66x = 641,170.20 × 303,127.46
  4. Step 4: Simplify right side
    464,552.66x = 194,356,293,352.23
  5. Step 5: Solve for x
    x = 194,356,293,352.23/464,552.66
  6. Step 6: Final answer
    x = 418,373.00

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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.