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Finding the Fourth Proportional to 455,892.50, 683,227.46 and 354,812.60

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Solution

The fourth proportional to 455,892.50, 683,227.46 and 354,812.60 is: 531,743.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,892.50 : 683,227.46 = 354,812.60 : x
  2. Step 2: Convert to fraction form
    455,892.50/683,227.46 = 354,812.60/x
  3. Step 3: Cross multiply
    455,892.50x = 683,227.46 × 354,812.60
  4. Step 4: Simplify right side
    455,892.50x = 242,417,706,283.80
  5. Step 5: Solve for x
    x = 242,417,706,283.80/455,892.50
  6. Step 6: Final answer
    x = 531,743.14

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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.