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Finding the Fourth Proportional to 446,898.32, 670,136.17 and 162,390.61

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Solution

The fourth proportional to 446,898.32, 670,136.17 and 162,390.61 is: 243,509.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,898.32 : 670,136.17 = 162,390.61 : x
  2. Step 2: Convert to fraction form
    446,898.32/670,136.17 = 162,390.61/x
  3. Step 3: Cross multiply
    446,898.32x = 670,136.17 × 162,390.61
  4. Step 4: Simplify right side
    446,898.32x = 108,823,821,429.36
  5. Step 5: Solve for x
    x = 108,823,821,429.36/446,898.32
  6. Step 6: Final answer
    x = 243,509.13

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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.