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Finding the Fourth Proportional to 264,369.60, 396,554.40 and 159,393.60

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Solution

The fourth proportional to 264,369.60, 396,554.40 and 159,393.60 is: 239,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,369.60 : 396,554.40 = 159,393.60 : x
  2. Step 2: Convert to fraction form
    264,369.60/396,554.40 = 159,393.60/x
  3. Step 3: Cross multiply
    264,369.60x = 396,554.40 × 159,393.60
  4. Step 4: Simplify right side
    264,369.60x = 63,208,233,411.84
  5. Step 5: Solve for x
    x = 63,208,233,411.84/264,369.60
  6. Step 6: Final answer
    x = 239,090.40

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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.