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Finding the Fourth Proportional to 273,636.84, 410,176.22 and 155,057.70

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Solution

The fourth proportional to 273,636.84, 410,176.22 and 155,057.70 is: 232,428.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,636.84 : 410,176.22 = 155,057.70 : x
  2. Step 2: Convert to fraction form
    273,636.84/410,176.22 = 155,057.70/x
  3. Step 3: Cross multiply
    273,636.84x = 410,176.22 × 155,057.70
  4. Step 4: Simplify right side
    273,636.84x = 63,600,980,492.61
  5. Step 5: Solve for x
    x = 63,600,980,492.61/273,636.84
  6. Step 6: Final answer
    x = 232,428.43

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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.