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Finding the Fourth Proportional to 575,969.14, 863,855.26 and 155,146.60

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Solution

The fourth proportional to 575,969.14, 863,855.26 and 155,146.60 is: 232,693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,969.14 : 863,855.26 = 155,146.60 : x
  2. Step 2: Convert to fraction form
    575,969.14/863,855.26 = 155,146.60/x
  3. Step 3: Cross multiply
    575,969.14x = 863,855.26 × 155,146.60
  4. Step 4: Simplify right side
    575,969.14x = 134,024,206,481.12
  5. Step 5: Solve for x
    x = 134,024,206,481.12/575,969.14
  6. Step 6: Final answer
    x = 232,693.38

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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.