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Finding the Fourth Proportional to 978,516.68, 1,466,570.12 and 466,450.88

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Solution

The fourth proportional to 978,516.68, 1,466,570.12 and 466,450.88 is: 699,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,516.68 : 1,466,570.12 = 466,450.88 : x
  2. Step 2: Convert to fraction form
    978,516.68/1,466,570.12 = 466,450.88/x
  3. Step 3: Cross multiply
    978,516.68x = 1,466,570.12 × 466,450.88
  4. Step 4: Simplify right side
    978,516.68x = 684,082,923,055.71
  5. Step 5: Solve for x
    x = 684,082,923,055.71/978,516.68
  6. Step 6: Final answer
    x = 699,101.95

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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.