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Finding the Fourth Proportional to 511,508.55, 767,341.67 and 174,470.46

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Solution

The fourth proportional to 511,508.55, 767,341.67 and 174,470.46 is: 261,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,508.55 : 767,341.67 = 174,470.46 : x
  2. Step 2: Convert to fraction form
    511,508.55/767,341.67 = 174,470.46/x
  3. Step 3: Cross multiply
    511,508.55x = 767,341.67 × 174,470.46
  4. Step 4: Simplify right side
    511,508.55x = 133,878,453,269.72
  5. Step 5: Solve for x
    x = 133,878,453,269.72/511,508.55
  6. Step 6: Final answer
    x = 261,732.58

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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.