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Finding the Fourth Proportional to 637,354.72, 956,622.84 and 322,033.24

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Solution

The fourth proportional to 637,354.72, 956,622.84 and 322,033.24 is: 483,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,354.72 : 956,622.84 = 322,033.24 : x
  2. Step 2: Convert to fraction form
    637,354.72/956,622.84 = 322,033.24/x
  3. Step 3: Cross multiply
    637,354.72x = 956,622.84 × 322,033.24
  4. Step 4: Simplify right side
    637,354.72x = 308,064,352,623.20
  5. Step 5: Solve for x
    x = 308,064,352,623.20/637,354.72
  6. Step 6: Final answer
    x = 483,348.35

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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.