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Finding the Fourth Proportional to 467,062.70, 698,034.93 and 340,968.47

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Solution

The fourth proportional to 467,062.70, 698,034.93 and 340,968.47 is: 509,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,062.70 : 698,034.93 = 340,968.47 : x
  2. Step 2: Convert to fraction form
    467,062.70/698,034.93 = 340,968.47/x
  3. Step 3: Cross multiply
    467,062.70x = 698,034.93 × 340,968.47
  4. Step 4: Simplify right side
    467,062.70x = 238,007,902,088.66
  5. Step 5: Solve for x
    x = 238,007,902,088.66/467,062.70
  6. Step 6: Final answer
    x = 509,584.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.