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Finding the Fourth Proportional to 379,588.34, 523,832.04 and 207,507.06

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Solution

The fourth proportional to 379,588.34, 523,832.04 and 207,507.06 is: 286,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,588.34 : 523,832.04 = 207,507.06 : x
  2. Step 2: Convert to fraction form
    379,588.34/523,832.04 = 207,507.06/x
  3. Step 3: Cross multiply
    379,588.34x = 523,832.04 × 207,507.06
  4. Step 4: Simplify right side
    379,588.34x = 108,698,846,554.20
  5. Step 5: Solve for x
    x = 108,698,846,554.20/379,588.34
  6. Step 6: Final answer
    x = 286,359.81

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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.