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Finding the Fourth Proportional to 575,696.51, 863,118.27 and 275,891.61

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Solution

The fourth proportional to 575,696.51, 863,118.27 and 275,891.61 is: 413,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,696.51 : 863,118.27 = 275,891.61 : x
  2. Step 2: Convert to fraction form
    575,696.51/863,118.27 = 275,891.61/x
  3. Step 3: Cross multiply
    575,696.51x = 863,118.27 × 275,891.61
  4. Step 4: Simplify right side
    575,696.51x = 238,127,089,130.72
  5. Step 5: Solve for x
    x = 238,127,089,130.72/575,696.51
  6. Step 6: Final answer
    x = 413,633.03

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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.