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Finding the Fourth Proportional to 344,492.88, 516,705.90 and 104,608.86

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Solution

The fourth proportional to 344,492.88, 516,705.90 and 104,608.86 is: 156,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,492.88 : 516,705.90 = 104,608.86 : x
  2. Step 2: Convert to fraction form
    344,492.88/516,705.90 = 104,608.86/x
  3. Step 3: Cross multiply
    344,492.88x = 516,705.90 × 104,608.86
  4. Step 4: Simplify right side
    344,492.88x = 54,052,015,154.27
  5. Step 5: Solve for x
    x = 54,052,015,154.27/344,492.88
  6. Step 6: Final answer
    x = 156,903.14

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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.