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Finding the Fourth Proportional to 356,575.55, 492,051.96 and 195,419.16

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Solution

The fourth proportional to 356,575.55, 492,051.96 and 195,419.16 is: 269,666.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,575.55 : 492,051.96 = 195,419.16 : x
  2. Step 2: Convert to fraction form
    356,575.55/492,051.96 = 195,419.16/x
  3. Step 3: Cross multiply
    356,575.55x = 492,051.96 × 195,419.16
  4. Step 4: Simplify right side
    356,575.55x = 96,156,380,952.59
  5. Step 5: Solve for x
    x = 96,156,380,952.59/356,575.55
  6. Step 6: Final answer
    x = 269,666.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.