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Finding the Fourth Proportional to 578,366.56, 867,590.48 and 178,954.88

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Solution

The fourth proportional to 578,366.56, 867,590.48 and 178,954.88 is: 268,444.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,366.56 : 867,590.48 = 178,954.88 : x
  2. Step 2: Convert to fraction form
    578,366.56/867,590.48 = 178,954.88/x
  3. Step 3: Cross multiply
    578,366.56x = 867,590.48 × 178,954.88
  4. Step 4: Simplify right side
    578,366.56x = 155,259,550,237.54
  5. Step 5: Solve for x
    x = 155,259,550,237.54/578,366.56
  6. Step 6: Final answer
    x = 268,444.89

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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.