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Finding the Fourth Proportional to 606,611.46, 909,527.91 and 251,870.34

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Solution

The fourth proportional to 606,611.46, 909,527.91 and 251,870.34 is: 377,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,611.46 : 909,527.91 = 251,870.34 : x
  2. Step 2: Convert to fraction form
    606,611.46/909,527.91 = 251,870.34/x
  3. Step 3: Cross multiply
    606,611.46x = 909,527.91 × 251,870.34
  4. Step 4: Simplify right side
    606,611.46x = 229,083,103,931.19
  5. Step 5: Solve for x
    x = 229,083,103,931.19/606,611.46
  6. Step 6: Final answer
    x = 377,643.88

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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.