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Finding the Fourth Proportional to 245,416.60, 368,124.90 and 201,093.40

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Solution

The fourth proportional to 245,416.60, 368,124.90 and 201,093.40 is: 301,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,416.60 : 368,124.90 = 201,093.40 : x
  2. Step 2: Convert to fraction form
    245,416.60/368,124.90 = 201,093.40/x
  3. Step 3: Cross multiply
    245,416.60x = 368,124.90 × 201,093.40
  4. Step 4: Simplify right side
    245,416.60x = 74,027,487,765.66
  5. Step 5: Solve for x
    x = 74,027,487,765.66/245,416.60
  6. Step 6: Final answer
    x = 301,640.10

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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.