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Finding the Fourth Proportional to 446,357.71, 615,823.77 and 252,738.96

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Solution

The fourth proportional to 446,357.71, 615,823.77 and 252,738.96 is: 348,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,357.71 : 615,823.77 = 252,738.96 : x
  2. Step 2: Convert to fraction form
    446,357.71/615,823.77 = 252,738.96/x
  3. Step 3: Cross multiply
    446,357.71x = 615,823.77 × 252,738.96
  4. Step 4: Simplify right side
    446,357.71x = 155,642,656,725.81
  5. Step 5: Solve for x
    x = 155,642,656,725.81/446,357.71
  6. Step 6: Final answer
    x = 348,694.90

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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.