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Finding the Fourth Proportional to 306,573.34, 459,860.13 and 146,611.45

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Solution

The fourth proportional to 306,573.34, 459,860.13 and 146,611.45 is: 219,917.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,573.34 : 459,860.13 = 146,611.45 : x
  2. Step 2: Convert to fraction form
    306,573.34/459,860.13 = 146,611.45/x
  3. Step 3: Cross multiply
    306,573.34x = 459,860.13 × 146,611.45
  4. Step 4: Simplify right side
    306,573.34x = 67,420,760,456.49
  5. Step 5: Solve for x
    x = 67,420,760,456.49/306,573.34
  6. Step 6: Final answer
    x = 219,917.23

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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.