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Finding the Fourth Proportional to 471,527.91, 707,292.09 and 155,984.82

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Solution

The fourth proportional to 471,527.91, 707,292.09 and 155,984.82 is: 233,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,527.91 : 707,292.09 = 155,984.82 : x
  2. Step 2: Convert to fraction form
    471,527.91/707,292.09 = 155,984.82/x
  3. Step 3: Cross multiply
    471,527.91x = 707,292.09 × 155,984.82
  4. Step 4: Simplify right side
    471,527.91x = 110,326,826,693.73
  5. Step 5: Solve for x
    x = 110,326,826,693.73/471,527.91
  6. Step 6: Final answer
    x = 233,977.30

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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.