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Finding the Fourth Proportional to 344,970.53, 517,419.39 and 92,276.51

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Solution

The fourth proportional to 344,970.53, 517,419.39 and 92,276.51 is: 138,405.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,970.53 : 517,419.39 = 92,276.51 : x
  2. Step 2: Convert to fraction form
    344,970.53/517,419.39 = 92,276.51/x
  3. Step 3: Cross multiply
    344,970.53x = 517,419.39 × 92,276.51
  4. Step 4: Simplify right side
    344,970.53x = 47,745,656,809.08
  5. Step 5: Solve for x
    x = 47,745,656,809.08/344,970.53
  6. Step 6: Final answer
    x = 138,405.03

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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.