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Finding the Fourth Proportional to 575,908.36, 863,882.78 and 155,194.28

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Solution

The fourth proportional to 575,908.36, 863,882.78 and 155,194.28 is: 232,796.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,908.36 : 863,882.78 = 155,194.28 : x
  2. Step 2: Convert to fraction form
    575,908.36/863,882.78 = 155,194.28/x
  3. Step 3: Cross multiply
    575,908.36x = 863,882.78 × 155,194.28
  4. Step 4: Simplify right side
    575,908.36x = 134,069,666,046.50
  5. Step 5: Solve for x
    x = 134,069,666,046.50/575,908.36
  6. Step 6: Final answer
    x = 232,796.87

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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.