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Finding the Fourth Proportional to 474,725.65, 711,833.04 and 190,273.45

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Solution

The fourth proportional to 474,725.65, 711,833.04 and 190,273.45 is: 285,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,725.65 : 711,833.04 = 190,273.45 : x
  2. Step 2: Convert to fraction form
    474,725.65/711,833.04 = 190,273.45/x
  3. Step 3: Cross multiply
    474,725.65x = 711,833.04 × 190,273.45
  4. Step 4: Simplify right side
    474,725.65x = 135,442,928,344.79
  5. Step 5: Solve for x
    x = 135,442,928,344.79/474,725.65
  6. Step 6: Final answer
    x = 285,307.79

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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.