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Finding the Fourth Proportional to 385,307.75, 577,949.66 and 183,049.41

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Solution

The fourth proportional to 385,307.75, 577,949.66 and 183,049.41 is: 274,568.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,307.75 : 577,949.66 = 183,049.41 : x
  2. Step 2: Convert to fraction form
    385,307.75/577,949.66 = 183,049.41/x
  3. Step 3: Cross multiply
    385,307.75x = 577,949.66 × 183,049.41
  4. Step 4: Simplify right side
    385,307.75x = 105,793,346,211.20
  5. Step 5: Solve for x
    x = 105,793,346,211.20/385,307.75
  6. Step 6: Final answer
    x = 274,568.43

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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.