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Finding the Fourth Proportional to 455,882.39, 683,212.33 and 354,802.49

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Solution

The fourth proportional to 455,882.39, 683,212.33 and 354,802.49 is: 531,728.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,882.39 : 683,212.33 = 354,802.49 : x
  2. Step 2: Convert to fraction form
    455,882.39/683,212.33 = 354,802.49/x
  3. Step 3: Cross multiply
    455,882.39x = 683,212.33 × 354,802.49
  4. Step 4: Simplify right side
    455,882.39x = 242,405,436,703.73
  5. Step 5: Solve for x
    x = 242,405,436,703.73/455,882.39
  6. Step 6: Final answer
    x = 531,728.01

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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.