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Finding the Fourth Proportional to 393,468,000.60, 590,202,000.90 and 382,130,592.60

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Solution

The fourth proportional to 393,468,000.60, 590,202,000.90 and 382,130,592.60 is: 573,195,888.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,468,000.60 : 590,202,000.90 = 382,130,592.60 : x
  2. Step 2: Convert to fraction form
    393,468,000.60/590,202,000.90 = 382,130,592.60/x
  3. Step 3: Cross multiply
    393,468,000.60x = 590,202,000.90 × 382,130,592.60
  4. Step 4: Simplify right side
    393,468,000.60x = 225,534,240,357,622,752
  5. Step 5: Solve for x
    x = 225,534,240,357,622,752/393,468,000.60
  6. Step 6: Final answer
    x = 573,195,888.90

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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.