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Finding the Fourth Proportional to 488,051.64, 732,074.83 and 325,602.09

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Solution

The fourth proportional to 488,051.64, 732,074.83 and 325,602.09 is: 488,401.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,051.64 : 732,074.83 = 325,602.09 : x
  2. Step 2: Convert to fraction form
    488,051.64/732,074.83 = 325,602.09/x
  3. Step 3: Cross multiply
    488,051.64x = 732,074.83 × 325,602.09
  4. Step 4: Simplify right side
    488,051.64x = 238,365,093,870.39
  5. Step 5: Solve for x
    x = 238,365,093,870.39/488,051.64
  6. Step 6: Final answer
    x = 488,401.38

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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.