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Finding the Fourth Proportional to 229,335.40, 344,003.10 and 154,491.40

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Solution

The fourth proportional to 229,335.40, 344,003.10 and 154,491.40 is: 231,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,335.40 : 344,003.10 = 154,491.40 : x
  2. Step 2: Convert to fraction form
    229,335.40/344,003.10 = 154,491.40/x
  3. Step 3: Cross multiply
    229,335.40x = 344,003.10 × 154,491.40
  4. Step 4: Simplify right side
    229,335.40x = 53,145,520,523.34
  5. Step 5: Solve for x
    x = 53,145,520,523.34/229,335.40
  6. Step 6: Final answer
    x = 231,737.10

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1.5x scale

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.