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Finding the Fourth Proportional to 335,603.60, 503,405.40 and 202,893.20

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Solution

The fourth proportional to 335,603.60, 503,405.40 and 202,893.20 is: 304,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,603.60 : 503,405.40 = 202,893.20 : x
  2. Step 2: Convert to fraction form
    335,603.60/503,405.40 = 202,893.20/x
  3. Step 3: Cross multiply
    335,603.60x = 503,405.40 × 202,893.20
  4. Step 4: Simplify right side
    335,603.60x = 102,137,532,503.28
  5. Step 5: Solve for x
    x = 102,137,532,503.28/335,603.60
  6. Step 6: Final answer
    x = 304,339.80

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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.