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Finding the Fourth Proportional to 629,857,805.60, 944,786,708.40 and 353,225,050.40

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Solution

The fourth proportional to 629,857,805.60, 944,786,708.40 and 353,225,050.40 is: 529,837,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,805.60 : 944,786,708.40 = 353,225,050.40 : x
  2. Step 2: Convert to fraction form
    629,857,805.60/944,786,708.40 = 353,225,050.40/x
  3. Step 3: Cross multiply
    629,857,805.60x = 944,786,708.40 × 353,225,050.40
  4. Step 4: Simplify right side
    629,857,805.60x = 333,722,332,691,840,064
  5. Step 5: Solve for x
    x = 333,722,332,691,840,064/629,857,805.60
  6. Step 6: Final answer
    x = 529,837,575.60

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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.