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Finding the Fourth Proportional to 370,346.79, 511,076.98 and 207,003.07

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Solution

The fourth proportional to 370,346.79, 511,076.98 and 207,003.07 is: 285,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,346.79 : 511,076.98 = 207,003.07 : x
  2. Step 2: Convert to fraction form
    370,346.79/511,076.98 = 207,003.07/x
  3. Step 3: Cross multiply
    370,346.79x = 511,076.98 × 207,003.07
  4. Step 4: Simplify right side
    370,346.79x = 105,794,503,866.33
  5. Step 5: Solve for x
    x = 105,794,503,866.33/370,346.79
  6. Step 6: Final answer
    x = 285,663.35

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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.