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Finding the Fourth Proportional to 304,340.10, 456,400.80 and 154,530.60

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Solution

The fourth proportional to 304,340.10, 456,400.80 and 154,530.60 is: 231,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,340.10 : 456,400.80 = 154,530.60 : x
  2. Step 2: Convert to fraction form
    304,340.10/456,400.80 = 154,530.60/x
  3. Step 3: Cross multiply
    304,340.10x = 456,400.80 × 154,530.60
  4. Step 4: Simplify right side
    304,340.10x = 70,527,889,464.48
  5. Step 5: Solve for x
    x = 70,527,889,464.48/304,340.10
  6. Step 6: Final answer
    x = 231,740.38

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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.