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Finding the Fourth Proportional to 446,871.29, 616,613.99 and 253,267.92

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Solution

The fourth proportional to 446,871.29, 616,613.99 and 253,267.92 is: 349,470.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,871.29 : 616,613.99 = 253,267.92 : x
  2. Step 2: Convert to fraction form
    446,871.29/616,613.99 = 253,267.92/x
  3. Step 3: Cross multiply
    446,871.29x = 616,613.99 × 253,267.92
  4. Step 4: Simplify right side
    446,871.29x = 156,168,541,423.86
  5. Step 5: Solve for x
    x = 156,168,541,423.86/446,871.29
  6. Step 6: Final answer
    x = 349,470.97

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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.