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Finding the Fourth Proportional to 475,604.28, 656,333.74 and 260,739.73

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Solution

The fourth proportional to 475,604.28, 656,333.74 and 260,739.73 is: 359,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,604.28 : 656,333.74 = 260,739.73 : x
  2. Step 2: Convert to fraction form
    475,604.28/656,333.74 = 260,739.73/x
  3. Step 3: Cross multiply
    475,604.28x = 656,333.74 × 260,739.73
  4. Step 4: Simplify right side
    475,604.28x = 171,132,282,157.49
  5. Step 5: Solve for x
    x = 171,132,282,157.49/475,604.28
  6. Step 6: Final answer
    x = 359,820.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.