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Finding the Fourth Proportional to 306,188.64, 458,300.25 and 163,677.53

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Solution

The fourth proportional to 306,188.64, 458,300.25 and 163,677.53 is: 244,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,188.64 : 458,300.25 = 163,677.53 : x
  2. Step 2: Convert to fraction form
    306,188.64/458,300.25 = 163,677.53/x
  3. Step 3: Cross multiply
    306,188.64x = 458,300.25 × 163,677.53
  4. Step 4: Simplify right side
    306,188.64x = 75,013,454,064.13
  5. Step 5: Solve for x
    x = 75,013,454,064.13/306,188.64
  6. Step 6: Final answer
    x = 244,990.98

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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.