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Finding the Fourth Proportional to 306,573.81, 459,860.90 and 146,611.95

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Solution

The fourth proportional to 306,573.81, 459,860.90 and 146,611.95 is: 219,918.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,573.81 : 459,860.90 = 146,611.95 : x
  2. Step 2: Convert to fraction form
    306,573.81/459,860.90 = 146,611.95/x
  3. Step 3: Cross multiply
    306,573.81x = 459,860.90 × 146,611.95
  4. Step 4: Simplify right side
    306,573.81x = 67,421,102,544.70
  5. Step 5: Solve for x
    x = 67,421,102,544.70/306,573.81
  6. Step 6: Final answer
    x = 219,918.01

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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.