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Finding the Fourth Proportional to 471,507.15, 707,253.81 and 116,521.17

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Solution

The fourth proportional to 471,507.15, 707,253.81 and 116,521.17 is: 174,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,507.15 : 707,253.81 = 116,521.17 : x
  2. Step 2: Convert to fraction form
    471,507.15/707,253.81 = 116,521.17/x
  3. Step 3: Cross multiply
    471,507.15x = 707,253.81 × 116,521.17
  4. Step 4: Simplify right side
    471,507.15x = 82,410,041,428.16
  5. Step 5: Solve for x
    x = 82,410,041,428.16/471,507.15
  6. Step 6: Final answer
    x = 174,780.05

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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.