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Finding the Fourth Proportional to 637,448.43, 956,276.49 and 188,214.71

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Solution

The fourth proportional to 637,448.43, 956,276.49 and 188,214.71 is: 282,352.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,448.43 : 956,276.49 = 188,214.71 : x
  2. Step 2: Convert to fraction form
    637,448.43/956,276.49 = 188,214.71/x
  3. Step 3: Cross multiply
    637,448.43x = 956,276.49 × 188,214.71
  4. Step 4: Simplify right side
    637,448.43x = 179,985,297,463.79
  5. Step 5: Solve for x
    x = 179,985,297,463.79/637,448.43
  6. Step 6: Final answer
    x = 282,352.72

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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.