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Finding the Fourth Proportional to 386,310.30, 579,465.45 and 244,592.70

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Solution

The fourth proportional to 386,310.30, 579,465.45 and 244,592.70 is: 366,889.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,310.30 : 579,465.45 = 244,592.70 : x
  2. Step 2: Convert to fraction form
    386,310.30/579,465.45 = 244,592.70/x
  3. Step 3: Cross multiply
    386,310.30x = 579,465.45 × 244,592.70
  4. Step 4: Simplify right side
    386,310.30x = 141,733,018,972.22
  5. Step 5: Solve for x
    x = 141,733,018,972.22/386,310.30
  6. Step 6: Final answer
    x = 366,889.05

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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.