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Finding the Fourth Proportional to 304,866.59, 457,134.94 and 242,090.57

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Solution

The fourth proportional to 304,866.59, 457,134.94 and 242,090.57 is: 363,004.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,866.59 : 457,134.94 = 242,090.57 : x
  2. Step 2: Convert to fraction form
    304,866.59/457,134.94 = 242,090.57/x
  3. Step 3: Cross multiply
    304,866.59x = 457,134.94 × 242,090.57
  4. Step 4: Simplify right side
    304,866.59x = 110,668,059,636.97
  5. Step 5: Solve for x
    x = 110,668,059,636.97/304,866.59
  6. Step 6: Final answer
    x = 363,004.89

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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.