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Finding the Fourth Proportional to 408,188,687.22, 563,348,210.64 and 232,003,166.40

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Solution

The fourth proportional to 408,188,687.22, 563,348,210.64 and 232,003,166.40 is: 320,191,550.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,188,687.22 : 563,348,210.64 = 232,003,166.40 : x
  2. Step 2: Convert to fraction form
    408,188,687.22/563,348,210.64 = 232,003,166.40/x
  3. Step 3: Cross multiply
    408,188,687.22x = 563,348,210.64 × 232,003,166.40
  4. Step 4: Simplify right side
    408,188,687.22x = 130,698,568,654,254,176
  5. Step 5: Solve for x
    x = 130,698,568,654,254,176/408,188,687.22
  6. Step 6: Final answer
    x = 320,191,550.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.