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Finding the Fourth Proportional to 472,668.41, 709,293.00 and 248,189.87

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Solution

The fourth proportional to 472,668.41, 709,293.00 and 248,189.87 is: 372,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,668.41 : 709,293.00 = 248,189.87 : x
  2. Step 2: Convert to fraction form
    472,668.41/709,293.00 = 248,189.87/x
  3. Step 3: Cross multiply
    472,668.41x = 709,293.00 × 248,189.87
  4. Step 4: Simplify right side
    472,668.41x = 176,039,340,165.86
  5. Step 5: Solve for x
    x = 176,039,340,165.86/472,668.41
  6. Step 6: Final answer
    x = 372,437.28

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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.