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Finding the Fourth Proportional to 504,563,662.76, 757,015,916.11 and 317,958,128.33

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Solution

The fourth proportional to 504,563,662.76, 757,015,916.11 and 317,958,128.33 is: 477,044,586.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,563,662.76 : 757,015,916.11 = 317,958,128.33 : x
  2. Step 2: Convert to fraction form
    504,563,662.76/757,015,916.11 = 317,958,128.33/x
  3. Step 3: Cross multiply
    504,563,662.76x = 757,015,916.11 × 317,958,128.33
  4. Step 4: Simplify right side
    504,563,662.76x = 240,699,363,797,775,904
  5. Step 5: Solve for x
    x = 240,699,363,797,775,904/504,563,662.76
  6. Step 6: Final answer
    x = 477,044,586.37

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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.