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Finding the Fourth Proportional to 471,271.46, 706,800.71 and 134,304.87

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Solution

The fourth proportional to 471,271.46, 706,800.71 and 134,304.87 is: 201,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,271.46 : 706,800.71 = 134,304.87 : x
  2. Step 2: Convert to fraction form
    471,271.46/706,800.71 = 134,304.87/x
  3. Step 3: Cross multiply
    471,271.46x = 706,800.71 × 134,304.87
  4. Step 4: Simplify right side
    471,271.46x = 94,926,777,472.46
  5. Step 5: Solve for x
    x = 94,926,777,472.46/471,271.46
  6. Step 6: Final answer
    x = 201,426.96

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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.