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Finding the Fourth Proportional to 804,054.79, 1,109,611.48 and 441,475.48

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Solution

The fourth proportional to 804,054.79, 1,109,611.48 and 441,475.48 is: 609,244.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,054.79 : 1,109,611.48 = 441,475.48 : x
  2. Step 2: Convert to fraction form
    804,054.79/1,109,611.48 = 441,475.48/x
  3. Step 3: Cross multiply
    804,054.79x = 1,109,611.48 × 441,475.48
  4. Step 4: Simplify right side
    804,054.79x = 489,866,262,627.38
  5. Step 5: Solve for x
    x = 489,866,262,627.38/804,054.79
  6. Step 6: Final answer
    x = 609,244.88

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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.