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Finding the Fourth Proportional to 337,557.60, 506,019.60 and 127,336.80

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Solution

The fourth proportional to 337,557.60, 506,019.60 and 127,336.80 is: 190,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,557.60 : 506,019.60 = 127,336.80 : x
  2. Step 2: Convert to fraction form
    337,557.60/506,019.60 = 127,336.80/x
  3. Step 3: Cross multiply
    337,557.60x = 506,019.60 × 127,336.80
  4. Step 4: Simplify right side
    337,557.60x = 64,434,916,601.28
  5. Step 5: Solve for x
    x = 64,434,916,601.28/337,557.60
  6. Step 6: Final answer
    x = 190,885.69

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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.