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Finding the Fourth Proportional to 575,362.62, 863,012.87 and 176,003.43

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Solution

The fourth proportional to 575,362.62, 863,012.87 and 176,003.43 is: 263,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,362.62 : 863,012.87 = 176,003.43 : x
  2. Step 2: Convert to fraction form
    575,362.62/863,012.87 = 176,003.43/x
  3. Step 3: Cross multiply
    575,362.62x = 863,012.87 × 176,003.43
  4. Step 4: Simplify right side
    575,362.62x = 151,893,224,374.13
  5. Step 5: Solve for x
    x = 151,893,224,374.13/575,362.62
  6. Step 6: Final answer
    x = 263,995.64

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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.