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Finding the Fourth Proportional to 454,283.64, 681,500.79 and 170,074.49

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Solution

The fourth proportional to 454,283.64, 681,500.79 and 170,074.49 is: 255,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,283.64 : 681,500.79 = 170,074.49 : x
  2. Step 2: Convert to fraction form
    454,283.64/681,500.79 = 170,074.49/x
  3. Step 3: Cross multiply
    454,283.64x = 681,500.79 × 170,074.49
  4. Step 4: Simplify right side
    454,283.64x = 115,905,895,886.34
  5. Step 5: Solve for x
    x = 115,905,895,886.34/454,283.64
  6. Step 6: Final answer
    x = 255,139.93

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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.