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Finding the Fourth Proportional to 578,804.15, 868,239.03 and 179,501.69

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Solution

The fourth proportional to 578,804.15, 868,239.03 and 179,501.69 is: 269,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,804.15 : 868,239.03 = 179,501.69 : x
  2. Step 2: Convert to fraction form
    578,804.15/868,239.03 = 179,501.69/x
  3. Step 3: Cross multiply
    578,804.15x = 868,239.03 × 179,501.69
  4. Step 4: Simplify right side
    578,804.15x = 155,850,368,867.77
  5. Step 5: Solve for x
    x = 155,850,368,867.77/578,804.15
  6. Step 6: Final answer
    x = 269,262.70

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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.