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Finding the Fourth Proportional to 304,344.30, 456,795.45 and 154,688.70

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Solution

The fourth proportional to 304,344.30, 456,795.45 and 154,688.70 is: 232,174.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,344.30 : 456,795.45 = 154,688.70 : x
  2. Step 2: Convert to fraction form
    304,344.30/456,795.45 = 154,688.70/x
  3. Step 3: Cross multiply
    304,344.30x = 456,795.45 × 154,688.70
  4. Step 4: Simplify right side
    304,344.30x = 70,661,094,326.42
  5. Step 5: Solve for x
    x = 70,661,094,326.42/304,344.30
  6. Step 6: Final answer
    x = 232,174.86

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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.