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Finding the Fourth Proportional to 344,978.03, 517,430.64 and 92,284.02

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Solution

The fourth proportional to 344,978.03, 517,430.64 and 92,284.02 is: 138,416.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,978.03 : 517,430.64 = 92,284.02 : x
  2. Step 2: Convert to fraction form
    344,978.03/517,430.64 = 92,284.02/x
  3. Step 3: Cross multiply
    344,978.03x = 517,430.64 × 92,284.02
  4. Step 4: Simplify right side
    344,978.03x = 47,750,579,530.37
  5. Step 5: Solve for x
    x = 47,750,579,530.37/344,978.03
  6. Step 6: Final answer
    x = 138,416.29

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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.