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Finding the Fourth Proportional to 446,889.60, 616,502.16 and 395,954.28

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Solution

The fourth proportional to 446,889.60, 616,502.16 and 395,954.28 is: 546,234.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,889.60 : 616,502.16 = 395,954.28 : x
  2. Step 2: Convert to fraction form
    446,889.60/616,502.16 = 395,954.28/x
  3. Step 3: Cross multiply
    446,889.60x = 616,502.16 × 395,954.28
  4. Step 4: Simplify right side
    446,889.60x = 244,106,668,881.25
  5. Step 5: Solve for x
    x = 244,106,668,881.25/446,889.60
  6. Step 6: Final answer
    x = 546,234.84

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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.