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Finding the Fourth Proportional to 556,999.60, 835,392.84 and 157,543.96

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Solution

The fourth proportional to 556,999.60, 835,392.84 and 157,543.96 is: 236,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,999.60 : 835,392.84 = 157,543.96 : x
  2. Step 2: Convert to fraction form
    556,999.60/835,392.84 = 157,543.96/x
  3. Step 3: Cross multiply
    556,999.60x = 835,392.84 × 157,543.96
  4. Step 4: Simplify right side
    556,999.60x = 131,611,096,169.25
  5. Step 5: Solve for x
    x = 131,611,096,169.25/556,999.60
  6. Step 6: Final answer
    x = 236,285.80

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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.