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Finding the Fourth Proportional to 292,068.21, 435,524.25 and 281,660.73

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Solution

The fourth proportional to 292,068.21, 435,524.25 and 281,660.73 is: 420,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,068.21 : 435,524.25 = 281,660.73 : x
  2. Step 2: Convert to fraction form
    292,068.21/435,524.25 = 281,660.73/x
  3. Step 3: Cross multiply
    292,068.21x = 435,524.25 × 281,660.73
  4. Step 4: Simplify right side
    292,068.21x = 122,670,078,187.70
  5. Step 5: Solve for x
    x = 122,670,078,187.70/292,068.21
  6. Step 6: Final answer
    x = 420,004.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.