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Finding the Fourth Proportional to 578,369.70, 867,595.08 and 178,957.86

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Solution

The fourth proportional to 578,369.70, 867,595.08 and 178,957.86 is: 268,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,369.70 : 867,595.08 = 178,957.86 : x
  2. Step 2: Convert to fraction form
    578,369.70/867,595.08 = 178,957.86/x
  3. Step 3: Cross multiply
    578,369.70x = 867,595.08 × 178,957.86
  4. Step 4: Simplify right side
    578,369.70x = 155,262,958,863.33
  5. Step 5: Solve for x
    x = 155,262,958,863.33/578,369.70
  6. Step 6: Final answer
    x = 268,449.33

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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.