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Finding the Fourth Proportional to 369,134.55, 551,678.83 and 269,504.55

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Solution

The fourth proportional to 369,134.55, 551,678.83 and 269,504.55 is: 402,779.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,134.55 : 551,678.83 = 269,504.55 : x
  2. Step 2: Convert to fraction form
    369,134.55/551,678.83 = 269,504.55/x
  3. Step 3: Cross multiply
    369,134.55x = 551,678.83 × 269,504.55
  4. Step 4: Simplify right side
    369,134.55x = 148,679,954,149.92
  5. Step 5: Solve for x
    x = 148,679,954,149.92/369,134.55
  6. Step 6: Final answer
    x = 402,779.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.