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Finding the Fourth Proportional to 446,314.66, 615,913.50 and 245,110.66

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Solution

The fourth proportional to 446,314.66, 615,913.50 and 245,110.66 is: 338,252.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,314.66 : 615,913.50 = 245,110.66 : x
  2. Step 2: Convert to fraction form
    446,314.66/615,913.50 = 245,110.66/x
  3. Step 3: Cross multiply
    446,314.66x = 615,913.50 × 245,110.66
  4. Step 4: Simplify right side
    446,314.66x = 150,966,964,487.91
  5. Step 5: Solve for x
    x = 150,966,964,487.91/446,314.66
  6. Step 6: Final answer
    x = 338,252.31

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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.