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Finding the Fourth Proportional to 296,883.18, 445,214.16 and 119,330.34

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Solution

The fourth proportional to 296,883.18, 445,214.16 and 119,330.34 is: 178,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,883.18 : 445,214.16 = 119,330.34 : x
  2. Step 2: Convert to fraction form
    296,883.18/445,214.16 = 119,330.34/x
  3. Step 3: Cross multiply
    296,883.18x = 445,214.16 × 119,330.34
  4. Step 4: Simplify right side
    296,883.18x = 53,127,557,085.61
  5. Step 5: Solve for x
    x = 53,127,557,085.61/296,883.18
  6. Step 6: Final answer
    x = 178,951.05

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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.