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Finding the Fourth Proportional to 578,666.77, 867,683.04 and 179,196.64

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Solution

The fourth proportional to 578,666.77, 867,683.04 and 179,196.64 is: 268,696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,666.77 : 867,683.04 = 179,196.64 : x
  2. Step 2: Convert to fraction form
    578,666.77/867,683.04 = 179,196.64/x
  3. Step 3: Cross multiply
    578,666.77x = 867,683.04 × 179,196.64
  4. Step 4: Simplify right side
    578,666.77x = 155,485,882,511.79
  5. Step 5: Solve for x
    x = 155,485,882,511.79/578,666.77
  6. Step 6: Final answer
    x = 268,696.75

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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.