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Finding the Fourth Proportional to 630,960.63, 946,442.97 and 157,646.04

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Solution

The fourth proportional to 630,960.63, 946,442.97 and 157,646.04 is: 236,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,960.63 : 946,442.97 = 157,646.04 : x
  2. Step 2: Convert to fraction form
    630,960.63/946,442.97 = 157,646.04/x
  3. Step 3: Cross multiply
    630,960.63x = 946,442.97 × 157,646.04
  4. Step 4: Simplify right side
    630,960.63x = 149,202,980,785.89
  5. Step 5: Solve for x
    x = 149,202,980,785.89/630,960.63
  6. Step 6: Final answer
    x = 236,469.56

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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.