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Finding the Fourth Proportional to 363,606.47, 501,640.73 and 210,588.93

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Solution

The fourth proportional to 363,606.47, 501,640.73 and 210,588.93 is: 290,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,606.47 : 501,640.73 = 210,588.93 : x
  2. Step 2: Convert to fraction form
    363,606.47/501,640.73 = 210,588.93/x
  3. Step 3: Cross multiply
    363,606.47x = 501,640.73 × 210,588.93
  4. Step 4: Simplify right side
    363,606.47x = 105,639,984,311.88
  5. Step 5: Solve for x
    x = 105,639,984,311.88/363,606.47
  6. Step 6: Final answer
    x = 290,533.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.