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Finding the Fourth Proportional to 304,270.52, 456,400.11 and 91,038.56

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Solution

The fourth proportional to 304,270.52, 456,400.11 and 91,038.56 is: 136,556.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,270.52 : 456,400.11 = 91,038.56 : x
  2. Step 2: Convert to fraction form
    304,270.52/456,400.11 = 91,038.56/x
  3. Step 3: Cross multiply
    304,270.52x = 456,400.11 × 91,038.56
  4. Step 4: Simplify right side
    304,270.52x = 41,550,008,798.24
  5. Step 5: Solve for x
    x = 41,550,008,798.24/304,270.52
  6. Step 6: Final answer
    x = 136,556.14

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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.