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Finding the Fourth Proportional to 296,436.30, 444,712.05 and 127,956.30

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Solution

The fourth proportional to 296,436.30, 444,712.05 and 127,956.30 is: 191,959.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,436.30 : 444,712.05 = 127,956.30 : x
  2. Step 2: Convert to fraction form
    296,436.30/444,712.05 = 127,956.30/x
  3. Step 3: Cross multiply
    296,436.30x = 444,712.05 × 127,956.30
  4. Step 4: Simplify right side
    296,436.30x = 56,903,708,483.42
  5. Step 5: Solve for x
    x = 56,903,708,483.42/296,436.30
  6. Step 6: Final answer
    x = 191,959.31

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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.