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Finding the Fourth Proportional to 488,298.32, 731,856.98 and 251,511.83

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Solution

The fourth proportional to 488,298.32, 731,856.98 and 251,511.83 is: 376,963.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,298.32 : 731,856.98 = 251,511.83 : x
  2. Step 2: Convert to fraction form
    488,298.32/731,856.98 = 251,511.83/x
  3. Step 3: Cross multiply
    488,298.32x = 731,856.98 × 251,511.83
  4. Step 4: Simplify right side
    488,298.32x = 184,070,685,307.57
  5. Step 5: Solve for x
    x = 184,070,685,307.57/488,298.32
  6. Step 6: Final answer
    x = 376,963.59

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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.