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Finding the Fourth Proportional to 344,492.75, 516,705.71 and 104,608.72

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Solution

The fourth proportional to 344,492.75, 516,705.71 and 104,608.72 is: 156,902.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,492.75 : 516,705.71 = 104,608.72 : x
  2. Step 2: Convert to fraction form
    344,492.75/516,705.71 = 104,608.72/x
  3. Step 3: Cross multiply
    344,492.75x = 516,705.71 × 104,608.72
  4. Step 4: Simplify right side
    344,492.75x = 54,051,922,416.75
  5. Step 5: Solve for x
    x = 54,051,922,416.75/344,492.75
  6. Step 6: Final answer
    x = 156,902.93

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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.