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Finding the Fourth Proportional to 446,305.28, 615,899.30 and 242,354.56

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Solution

The fourth proportional to 446,305.28, 615,899.30 and 242,354.56 is: 334,448.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,305.28 : 615,899.30 = 242,354.56 : x
  2. Step 2: Convert to fraction form
    446,305.28/615,899.30 = 242,354.56/x
  3. Step 3: Cross multiply
    446,305.28x = 615,899.30 × 242,354.56
  4. Step 4: Simplify right side
    446,305.28x = 149,266,003,855.81
  5. Step 5: Solve for x
    x = 149,266,003,855.81/446,305.28
  6. Step 6: Final answer
    x = 334,448.21

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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.