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Finding the Fourth Proportional to 364,583.66, 546,930.16 and 127,884.65

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Solution

The fourth proportional to 364,583.66, 546,930.16 and 127,884.65 is: 191,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,583.66 : 546,930.16 = 127,884.65 : x
  2. Step 2: Convert to fraction form
    364,583.66/546,930.16 = 127,884.65/x
  3. Step 3: Cross multiply
    364,583.66x = 546,930.16 × 127,884.65
  4. Step 4: Simplify right side
    364,583.66x = 69,943,969,031.68
  5. Step 5: Solve for x
    x = 69,943,969,031.68/364,583.66
  6. Step 6: Final answer
    x = 191,846.15

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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.