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Finding the Fourth Proportional to 343,232.82, 514,640.79 and 153,657.18

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Solution

The fourth proportional to 343,232.82, 514,640.79 and 153,657.18 is: 230,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,232.82 : 514,640.79 = 153,657.18 : x
  2. Step 2: Convert to fraction form
    343,232.82/514,640.79 = 153,657.18/x
  3. Step 3: Cross multiply
    343,232.82x = 514,640.79 × 153,657.18
  4. Step 4: Simplify right side
    343,232.82x = 79,078,252,504.37
  5. Step 5: Solve for x
    x = 79,078,252,504.37/343,232.82
  6. Step 6: Final answer
    x = 230,392.46

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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.