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Finding the Fourth Proportional to 590,980,300.40, 886,470,450.60 and 397,488,537.20

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Solution

The fourth proportional to 590,980,300.40, 886,470,450.60 and 397,488,537.20 is: 596,232,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,980,300.40 : 886,470,450.60 = 397,488,537.20 : x
  2. Step 2: Convert to fraction form
    590,980,300.40/886,470,450.60 = 397,488,537.20/x
  3. Step 3: Cross multiply
    590,980,300.40x = 886,470,450.60 × 397,488,537.20
  4. Step 4: Simplify right side
    590,980,300.40x = 352,361,842,680,018,880
  5. Step 5: Solve for x
    x = 352,361,842,680,018,880/590,980,300.40
  6. Step 6: Final answer
    x = 596,232,805.80

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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.