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Finding the Fourth Proportional to 593,354,626.80, 890,409,853.80 and 347,710,786.80

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Solution

The fourth proportional to 593,354,626.80, 890,409,853.80 and 347,710,786.80 is: 521,787,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,354,626.80 : 890,409,853.80 = 347,710,786.80 : x
  2. Step 2: Convert to fraction form
    593,354,626.80/890,409,853.80 = 347,710,786.80/x
  3. Step 3: Cross multiply
    593,354,626.80x = 890,409,853.80 × 347,710,786.80
  4. Step 4: Simplify right side
    593,354,626.80x = 309,605,110,839,270,976
  5. Step 5: Solve for x
    x = 309,605,110,839,270,976/593,354,626.80
  6. Step 6: Final answer
    x = 521,787,640.74

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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.