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Finding the Fourth Proportional to 270,579.61, 405,744.31 and 152,250.94

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Solution

The fourth proportional to 270,579.61, 405,744.31 and 152,250.94 is: 228,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,579.61 : 405,744.31 = 152,250.94 : x
  2. Step 2: Convert to fraction form
    270,579.61/405,744.31 = 152,250.94/x
  3. Step 3: Cross multiply
    270,579.61x = 405,744.31 × 152,250.94
  4. Step 4: Simplify right side
    270,579.61x = 61,774,952,597.15
  5. Step 5: Solve for x
    x = 61,774,952,597.15/270,579.61
  6. Step 6: Final answer
    x = 228,306.02

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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.