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Finding the Fourth Proportional to 488,302.07, 731,862.61 and 251,515.58

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Solution

The fourth proportional to 488,302.07, 731,862.61 and 251,515.58 is: 376,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,302.07 : 731,862.61 = 251,515.58 : x
  2. Step 2: Convert to fraction form
    488,302.07/731,862.61 = 251,515.58/x
  3. Step 3: Cross multiply
    488,302.07x = 731,862.61 × 251,515.58
  4. Step 4: Simplify right side
    488,302.07x = 184,074,844,546.36
  5. Step 5: Solve for x
    x = 184,074,844,546.36/488,302.07
  6. Step 6: Final answer
    x = 376,969.21

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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.