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Finding the Fourth Proportional to 291,364.32, 437,046.48 and 104,507.04

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Solution

The fourth proportional to 291,364.32, 437,046.48 and 104,507.04 is: 156,760.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,364.32 : 437,046.48 = 104,507.04 : x
  2. Step 2: Convert to fraction form
    291,364.32/437,046.48 = 104,507.04/x
  3. Step 3: Cross multiply
    291,364.32x = 437,046.48 × 104,507.04
  4. Step 4: Simplify right side
    291,364.32x = 45,674,433,967.22
  5. Step 5: Solve for x
    x = 45,674,433,967.22/291,364.32
  6. Step 6: Final answer
    x = 156,760.56

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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.