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Finding the Fourth Proportional to 964,522.10, 1,446,487.63 and 666,915.14

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Solution

The fourth proportional to 964,522.10, 1,446,487.63 and 666,915.14 is: 1,000,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,522.10 : 1,446,487.63 = 666,915.14 : x
  2. Step 2: Convert to fraction form
    964,522.10/1,446,487.63 = 666,915.14/x
  3. Step 3: Cross multiply
    964,522.10x = 1,446,487.63 × 666,915.14
  4. Step 4: Simplify right side
    964,522.10x = 964,684,500,269.72
  5. Step 5: Solve for x
    x = 964,684,500,269.72/964,522.10
  6. Step 6: Final answer
    x = 1,000,168.37

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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.