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Finding the Fourth Proportional to 883,992.64, 1,326,001.92 and 252,907.60

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Solution

The fourth proportional to 883,992.64, 1,326,001.92 and 252,907.60 is: 379,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,992.64 : 1,326,001.92 = 252,907.60 : x
  2. Step 2: Convert to fraction form
    883,992.64/1,326,001.92 = 252,907.60/x
  3. Step 3: Cross multiply
    883,992.64x = 1,326,001.92 × 252,907.60
  4. Step 4: Simplify right side
    883,992.64x = 335,355,963,182.59
  5. Step 5: Solve for x
    x = 335,355,963,182.59/883,992.64
  6. Step 6: Final answer
    x = 379,365.11

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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.