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Finding the Fourth Proportional to 521,703.94, 782,328.03 and 184,632.61

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Solution

The fourth proportional to 521,703.94, 782,328.03 and 184,632.61 is: 276,868.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,703.94 : 782,328.03 = 184,632.61 : x
  2. Step 2: Convert to fraction form
    521,703.94/782,328.03 = 184,632.61/x
  3. Step 3: Cross multiply
    521,703.94x = 782,328.03 × 184,632.61
  4. Step 4: Simplify right side
    521,703.94x = 144,443,263,406.87
  5. Step 5: Solve for x
    x = 144,443,263,406.87/521,703.94
  6. Step 6: Final answer
    x = 276,868.26

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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.