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Finding the Fourth Proportional to 453,881.40, 680,822.10 and 154,440.60

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Solution

The fourth proportional to 453,881.40, 680,822.10 and 154,440.60 is: 231,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,881.40 : 680,822.10 = 154,440.60 : x
  2. Step 2: Convert to fraction form
    453,881.40/680,822.10 = 154,440.60/x
  3. Step 3: Cross multiply
    453,881.40x = 680,822.10 × 154,440.60
  4. Step 4: Simplify right side
    453,881.40x = 105,146,573,617.26
  5. Step 5: Solve for x
    x = 105,146,573,617.26/453,881.40
  6. Step 6: Final answer
    x = 231,660.90

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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.