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Finding the Fourth Proportional to 340,898.27, 511,347.45 and 104,240.96

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Solution

The fourth proportional to 340,898.27, 511,347.45 and 104,240.96 is: 156,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,898.27 : 511,347.45 = 104,240.96 : x
  2. Step 2: Convert to fraction form
    340,898.27/511,347.45 = 104,240.96/x
  3. Step 3: Cross multiply
    340,898.27x = 511,347.45 × 104,240.96
  4. Step 4: Simplify right side
    340,898.27x = 53,303,349,081.55
  5. Step 5: Solve for x
    x = 53,303,349,081.55/340,898.27
  6. Step 6: Final answer
    x = 156,361.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.