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Finding the Fourth Proportional to 482,967.06, 724,558.11 and 158,769.82

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Solution

The fourth proportional to 482,967.06, 724,558.11 and 158,769.82 is: 238,190.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,967.06 : 724,558.11 = 158,769.82 : x
  2. Step 2: Convert to fraction form
    482,967.06/724,558.11 = 158,769.82/x
  3. Step 3: Cross multiply
    482,967.06x = 724,558.11 × 158,769.82
  4. Step 4: Simplify right side
    482,967.06x = 115,037,961,907.63
  5. Step 5: Solve for x
    x = 115,037,961,907.63/482,967.06
  6. Step 6: Final answer
    x = 238,190.08

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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.