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Finding the Fourth Proportional to 471,270.46, 706,799.21 and 134,303.87

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Solution

The fourth proportional to 471,270.46, 706,799.21 and 134,303.87 is: 201,425.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,270.46 : 706,799.21 = 134,303.87 : x
  2. Step 2: Convert to fraction form
    471,270.46/706,799.21 = 134,303.87/x
  3. Step 3: Cross multiply
    471,270.46x = 706,799.21 × 134,303.87
  4. Step 4: Simplify right side
    471,270.46x = 94,925,869,215.94
  5. Step 5: Solve for x
    x = 94,925,869,215.94/471,270.46
  6. Step 6: Final answer
    x = 201,425.46

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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.