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Finding the Fourth Proportional to 296,973.66, 445,592.95 and 136,963.56

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Solution

The fourth proportional to 296,973.66, 445,592.95 and 136,963.56 is: 205,506.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,973.66 : 445,592.95 = 136,963.56 : x
  2. Step 2: Convert to fraction form
    296,973.66/445,592.95 = 136,963.56/x
  3. Step 3: Cross multiply
    296,973.66x = 445,592.95 × 136,963.56
  4. Step 4: Simplify right side
    296,973.66x = 61,029,996,742.90
  5. Step 5: Solve for x
    x = 61,029,996,742.90/296,973.66
  6. Step 6: Final answer
    x = 205,506.43

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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.