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Finding the Fourth Proportional to 296,886.18, 445,218.66 and 119,333.34

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Solution

The fourth proportional to 296,886.18, 445,218.66 and 119,333.34 is: 178,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,886.18 : 445,218.66 = 119,333.34 : x
  2. Step 2: Convert to fraction form
    296,886.18/445,218.66 = 119,333.34/x
  3. Step 3: Cross multiply
    296,886.18x = 445,218.66 × 119,333.34
  4. Step 4: Simplify right side
    296,886.18x = 53,129,429,728.12
  5. Step 5: Solve for x
    x = 53,129,429,728.12/296,886.18
  6. Step 6: Final answer
    x = 178,955.55

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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.