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Finding the Fourth Proportional to 304,929.63, 457,172.51 and 127,486.98

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Solution

The fourth proportional to 304,929.63, 457,172.51 and 127,486.98 is: 191,137.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,929.63 : 457,172.51 = 127,486.98 : x
  2. Step 2: Convert to fraction form
    304,929.63/457,172.51 = 127,486.98/x
  3. Step 3: Cross multiply
    304,929.63x = 457,172.51 × 127,486.98
  4. Step 4: Simplify right side
    304,929.63x = 58,283,542,001.48
  5. Step 5: Solve for x
    x = 58,283,542,001.48/304,929.63
  6. Step 6: Final answer
    x = 191,137.68

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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.