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Finding the Fourth Proportional to 364,681.44, 547,041.60 and 115,344

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Solution

The fourth proportional to 364,681.44, 547,041.60 and 115,344 is: 173,022.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,681.44 : 547,041.60 = 115,344 : x
  2. Step 2: Convert to fraction form
    364,681.44/547,041.60 = 115,344/x
  3. Step 3: Cross multiply
    364,681.44x = 547,041.60 × 115,344
  4. Step 4: Simplify right side
    364,681.44x = 63,097,966,310.40
  5. Step 5: Solve for x
    x = 63,097,966,310.40/364,681.44
  6. Step 6: Final answer
    x = 173,022.15

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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.