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Finding the Fourth Proportional to 637,722.94, 956,639.48 and 164,404.30

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Solution

The fourth proportional to 637,722.94, 956,639.48 and 164,404.30 is: 246,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,722.94 : 956,639.48 = 164,404.30 : x
  2. Step 2: Convert to fraction form
    637,722.94/956,639.48 = 164,404.30/x
  3. Step 3: Cross multiply
    637,722.94x = 956,639.48 × 164,404.30
  4. Step 4: Simplify right side
    637,722.94x = 157,275,639,689.58
  5. Step 5: Solve for x
    x = 157,275,639,689.58/637,722.94
  6. Step 6: Final answer
    x = 246,620.64

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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.