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Finding the Fourth Proportional to 292,093.40, 437,286 and 264,078.20

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Solution

The fourth proportional to 292,093.40, 437,286 and 264,078.20 is: 395,345.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,093.40 : 437,286 = 264,078.20 : x
  2. Step 2: Convert to fraction form
    292,093.40/437,286 = 264,078.20/x
  3. Step 3: Cross multiply
    292,093.40x = 437,286 × 264,078.20
  4. Step 4: Simplify right side
    292,093.40x = 115,477,699,765.20
  5. Step 5: Solve for x
    x = 115,477,699,765.20/292,093.40
  6. Step 6: Final answer
    x = 395,345.12

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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.