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Finding the Fourth Proportional to 304,699.61, 456,769.47 and 104,972.51

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Solution

The fourth proportional to 304,699.61, 456,769.47 and 104,972.51 is: 157,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,699.61 : 456,769.47 = 104,972.51 : x
  2. Step 2: Convert to fraction form
    304,699.61/456,769.47 = 104,972.51/x
  3. Step 3: Cross multiply
    304,699.61x = 456,769.47 × 104,972.51
  4. Step 4: Simplify right side
    304,699.61x = 47,948,237,757.27
  5. Step 5: Solve for x
    x = 47,948,237,757.27/304,699.61
  6. Step 6: Final answer
    x = 157,362.32

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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.