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Finding the Fourth Proportional to 337,114.60, 505,866.30 and 126,903.40

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Solution

The fourth proportional to 337,114.60, 505,866.30 and 126,903.40 is: 190,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,114.60 : 505,866.30 = 126,903.40 : x
  2. Step 2: Convert to fraction form
    337,114.60/505,866.30 = 126,903.40/x
  3. Step 3: Cross multiply
    337,114.60x = 505,866.30 × 126,903.40
  4. Step 4: Simplify right side
    337,114.60x = 64,196,153,415.42
  5. Step 5: Solve for x
    x = 64,196,153,415.42/337,114.60
  6. Step 6: Final answer
    x = 190,428.28

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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.