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Finding the Fourth Proportional to 328,569.88, 453,475.64 and 201,319.28

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Solution

The fourth proportional to 328,569.88, 453,475.64 and 201,319.28 is: 277,850.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,569.88 : 453,475.64 = 201,319.28 : x
  2. Step 2: Convert to fraction form
    328,569.88/453,475.64 = 201,319.28/x
  3. Step 3: Cross multiply
    328,569.88x = 453,475.64 × 201,319.28
  4. Step 4: Simplify right side
    328,569.88x = 91,293,389,342.34
  5. Step 5: Solve for x
    x = 91,293,389,342.34/328,569.88
  6. Step 6: Final answer
    x = 277,850.76

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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.