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Finding the Fourth Proportional to 402,895.70, 604,277.85 and 118,519.73

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Solution

The fourth proportional to 402,895.70, 604,277.85 and 118,519.73 is: 177,760.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,895.70 : 604,277.85 = 118,519.73 : x
  2. Step 2: Convert to fraction form
    402,895.70/604,277.85 = 118,519.73/x
  3. Step 3: Cross multiply
    402,895.70x = 604,277.85 × 118,519.73
  4. Step 4: Simplify right side
    402,895.70x = 71,618,847,626.98
  5. Step 5: Solve for x
    x = 71,618,847,626.98/402,895.70
  6. Step 6: Final answer
    x = 177,760.27

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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.