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Finding the Fourth Proportional to 510,072.06, 703,889.91 and 348,921.66

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Solution

The fourth proportional to 510,072.06, 703,889.91 and 348,921.66 is: 481,505.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,072.06 : 703,889.91 = 348,921.66 : x
  2. Step 2: Convert to fraction form
    510,072.06/703,889.91 = 348,921.66/x
  3. Step 3: Cross multiply
    510,072.06x = 703,889.91 × 348,921.66
  4. Step 4: Simplify right side
    510,072.06x = 245,602,435,854.45
  5. Step 5: Solve for x
    x = 245,602,435,854.45/510,072.06
  6. Step 6: Final answer
    x = 481,505.37

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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.