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Finding the Fourth Proportional to 304,423.88, 456,507.30 and 91,222.14

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Solution

The fourth proportional to 304,423.88, 456,507.30 and 91,222.14 is: 136,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,423.88 : 456,507.30 = 91,222.14 : x
  2. Step 2: Convert to fraction form
    304,423.88/456,507.30 = 91,222.14/x
  3. Step 3: Cross multiply
    304,423.88x = 456,507.30 × 91,222.14
  4. Step 4: Simplify right side
    304,423.88x = 41,643,572,831.62
  5. Step 5: Solve for x
    x = 41,643,572,831.62/304,423.88
  6. Step 6: Final answer
    x = 136,794.70

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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.