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Finding the Fourth Proportional to 372,668.41, 514,271.17 and 207,095.81

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Solution

The fourth proportional to 372,668.41, 514,271.17 and 207,095.81 is: 285,785.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,668.41 : 514,271.17 = 207,095.81 : x
  2. Step 2: Convert to fraction form
    372,668.41/514,271.17 = 207,095.81/x
  3. Step 3: Cross multiply
    372,668.41x = 514,271.17 × 207,095.81
  4. Step 4: Simplify right side
    372,668.41x = 106,503,405,374.87
  5. Step 5: Solve for x
    x = 106,503,405,374.87/372,668.41
  6. Step 6: Final answer
    x = 285,785.98

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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.