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Finding the Fourth Proportional to 446,364.86, 615,987.87 and 245,160.86

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Solution

The fourth proportional to 446,364.86, 615,987.87 and 245,160.86 is: 338,324.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,364.86 : 615,987.87 = 245,160.86 : x
  2. Step 2: Convert to fraction form
    446,364.86/615,987.87 = 245,160.86/x
  3. Step 3: Cross multiply
    446,364.86x = 615,987.87 × 245,160.86
  4. Step 4: Simplify right side
    446,364.86x = 151,016,115,958.77
  5. Step 5: Solve for x
    x = 151,016,115,958.77/446,364.86
  6. Step 6: Final answer
    x = 338,324.38

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1.5x scale

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.