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Finding the Fourth Proportional to 470,636.88, 649,503.81 and 266,727.48

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Solution

The fourth proportional to 470,636.88, 649,503.81 and 266,727.48 is: 368,098.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,636.88 : 649,503.81 = 266,727.48 : x
  2. Step 2: Convert to fraction form
    470,636.88/649,503.81 = 266,727.48/x
  3. Step 3: Cross multiply
    470,636.88x = 649,503.81 × 266,727.48
  4. Step 4: Simplify right side
    470,636.88x = 173,240,514,491.70
  5. Step 5: Solve for x
    x = 173,240,514,491.70/470,636.88
  6. Step 6: Final answer
    x = 368,098.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.