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Finding the Fourth Proportional to 325,544.11, 488,212.64 and 304,291.98

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Solution

The fourth proportional to 325,544.11, 488,212.64 and 304,291.98 is: 456,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,544.11 : 488,212.64 = 304,291.98 : x
  2. Step 2: Convert to fraction form
    325,544.11/488,212.64 = 304,291.98/x
  3. Step 3: Cross multiply
    325,544.11x = 488,212.64 × 304,291.98
  4. Step 4: Simplify right side
    325,544.11x = 148,559,190,886.63
  5. Step 5: Solve for x
    x = 148,559,190,886.63/325,544.11
  6. Step 6: Final answer
    x = 456,341.20

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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.