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Finding the Fourth Proportional to 304,218.30, 456,606.45 and 154,562.70

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Solution

The fourth proportional to 304,218.30, 456,606.45 and 154,562.70 is: 231,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,218.30 : 456,606.45 = 154,562.70 : x
  2. Step 2: Convert to fraction form
    304,218.30/456,606.45 = 154,562.70/x
  3. Step 3: Cross multiply
    304,218.30x = 456,606.45 × 154,562.70
  4. Step 4: Simplify right side
    304,218.30x = 70,574,325,749.42
  5. Step 5: Solve for x
    x = 70,574,325,749.42/304,218.30
  6. Step 6: Final answer
    x = 231,985.80

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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.