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Finding the Fourth Proportional to 461,904.60, 692,511.30 and 251,779.80

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Solution

The fourth proportional to 461,904.60, 692,511.30 and 251,779.80 is: 377,481.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,904.60 : 692,511.30 = 251,779.80 : x
  2. Step 2: Convert to fraction form
    461,904.60/692,511.30 = 251,779.80/x
  3. Step 3: Cross multiply
    461,904.60x = 692,511.30 × 251,779.80
  4. Step 4: Simplify right side
    461,904.60x = 174,360,356,611.74
  5. Step 5: Solve for x
    x = 174,360,356,611.74/461,904.60
  6. Step 6: Final answer
    x = 377,481.32

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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.