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Finding the Fourth Proportional to 395,141.16, 544,932.54 and 264,090

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Solution

The fourth proportional to 395,141.16, 544,932.54 and 264,090 is: 364,202.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,141.16 : 544,932.54 = 264,090 : x
  2. Step 2: Convert to fraction form
    395,141.16/544,932.54 = 264,090/x
  3. Step 3: Cross multiply
    395,141.16x = 544,932.54 × 264,090
  4. Step 4: Simplify right side
    395,141.16x = 143,911,234,488.60
  5. Step 5: Solve for x
    x = 143,911,234,488.60/395,141.16
  6. Step 6: Final answer
    x = 364,202.09

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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.