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Finding the Fourth Proportional to 454,095.80, 681,215.70 and 154,604.60

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Solution

The fourth proportional to 454,095.80, 681,215.70 and 154,604.60 is: 231,931.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,095.80 : 681,215.70 = 154,604.60 : x
  2. Step 2: Convert to fraction form
    454,095.80/681,215.70 = 154,604.60/x
  3. Step 3: Cross multiply
    454,095.80x = 681,215.70 × 154,604.60
  4. Step 4: Simplify right side
    454,095.80x = 105,319,080,812.22
  5. Step 5: Solve for x
    x = 105,319,080,812.22/454,095.80
  6. Step 6: Final answer
    x = 231,931.41

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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.