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Finding the Fourth Proportional to 654,335.56, 902,914.02 and 363,900.04

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Solution

The fourth proportional to 654,335.56, 902,914.02 and 363,900.04 is: 502,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,335.56 : 902,914.02 = 363,900.04 : x
  2. Step 2: Convert to fraction form
    654,335.56/902,914.02 = 363,900.04/x
  3. Step 3: Cross multiply
    654,335.56x = 902,914.02 × 363,900.04
  4. Step 4: Simplify right side
    654,335.56x = 328,570,447,994.56
  5. Step 5: Solve for x
    x = 328,570,447,994.56/654,335.56
  6. Step 6: Final answer
    x = 502,143.65

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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.