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Finding the Fourth Proportional to 291,670.92, 437,508.54 and 104,684.04

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Solution

The fourth proportional to 291,670.92, 437,508.54 and 104,684.04 is: 157,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,670.92 : 437,508.54 = 104,684.04 : x
  2. Step 2: Convert to fraction form
    291,670.92/437,508.54 = 104,684.04/x
  3. Step 3: Cross multiply
    291,670.92x = 437,508.54 × 104,684.04
  4. Step 4: Simplify right side
    291,670.92x = 45,800,161,501.70
  5. Step 5: Solve for x
    x = 45,800,161,501.70/291,670.92
  6. Step 6: Final answer
    x = 157,026.84

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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.