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Finding the Fourth Proportional to 446,118.80, 615,644.73 and 242,169.88

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Solution

The fourth proportional to 446,118.80, 615,644.73 and 242,169.88 is: 334,194.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,118.80 : 615,644.73 = 242,169.88 : x
  2. Step 2: Convert to fraction form
    446,118.80/615,644.73 = 242,169.88/x
  3. Step 3: Cross multiply
    446,118.80x = 615,644.73 × 242,169.88
  4. Step 4: Simplify right side
    446,118.80x = 149,090,610,386.73
  5. Step 5: Solve for x
    x = 149,090,610,386.73/446,118.80
  6. Step 6: Final answer
    x = 334,194.86

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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.