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Finding the Fourth Proportional to 491,042.97, 736,595.59 and 154,096.91

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Solution

The fourth proportional to 491,042.97, 736,595.59 and 154,096.91 is: 231,155.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,042.97 : 736,595.59 = 154,096.91 : x
  2. Step 2: Convert to fraction form
    491,042.97/736,595.59 = 154,096.91/x
  3. Step 3: Cross multiply
    491,042.97x = 736,595.59 × 154,096.91
  4. Step 4: Simplify right side
    491,042.97x = 113,507,104,338.63
  5. Step 5: Solve for x
    x = 113,507,104,338.63/491,042.97
  6. Step 6: Final answer
    x = 231,155.14

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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.