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Finding the Fourth Proportional to 337,477.60, 506,410.80 and 127,266.40

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Solution

The fourth proportional to 337,477.60, 506,410.80 and 127,266.40 is: 190,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,477.60 : 506,410.80 = 127,266.40 : x
  2. Step 2: Convert to fraction form
    337,477.60/506,410.80 = 127,266.40/x
  3. Step 3: Cross multiply
    337,477.60x = 506,410.80 × 127,266.40
  4. Step 4: Simplify right side
    337,477.60x = 64,449,079,437.12
  5. Step 5: Solve for x
    x = 64,449,079,437.12/337,477.60
  6. Step 6: Final answer
    x = 190,972.91

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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.