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Finding the Fourth Proportional to 377,606.16, 521,100 and 207,840.96

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Solution

The fourth proportional to 377,606.16, 521,100 and 207,840.96 is: 286,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,606.16 : 521,100 = 207,840.96 : x
  2. Step 2: Convert to fraction form
    377,606.16/521,100 = 207,840.96/x
  3. Step 3: Cross multiply
    377,606.16x = 521,100 × 207,840.96
  4. Step 4: Simplify right side
    377,606.16x = 108,305,924,256
  5. Step 5: Solve for x
    x = 108,305,924,256/377,606.16
  6. Step 6: Final answer
    x = 286,822.45

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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.