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Finding the Fourth Proportional to 610,611.58, 842,695.68 and 338,766.94

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Solution

The fourth proportional to 610,611.58, 842,695.68 and 338,766.94 is: 467,527.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,611.58 : 842,695.68 = 338,766.94 : x
  2. Step 2: Convert to fraction form
    610,611.58/842,695.68 = 338,766.94/x
  3. Step 3: Cross multiply
    610,611.58x = 842,695.68 × 338,766.94
  4. Step 4: Simplify right side
    610,611.58x = 285,477,436,864.82
  5. Step 5: Solve for x
    x = 285,477,436,864.82/610,611.58
  6. Step 6: Final answer
    x = 467,527.06

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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.