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Finding the Fourth Proportional to 403,314.40, 604,971.60 and 166,826.80

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Solution

The fourth proportional to 403,314.40, 604,971.60 and 166,826.80 is: 250,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,314.40 : 604,971.60 = 166,826.80 : x
  2. Step 2: Convert to fraction form
    403,314.40/604,971.60 = 166,826.80/x
  3. Step 3: Cross multiply
    403,314.40x = 604,971.60 × 166,826.80
  4. Step 4: Simplify right side
    403,314.40x = 100,925,476,118.88
  5. Step 5: Solve for x
    x = 100,925,476,118.88/403,314.40
  6. Step 6: Final answer
    x = 250,240.20

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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.