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Finding the Fourth Proportional to 446,306.28, 615,900.68 and 242,355.56

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Solution

The fourth proportional to 446,306.28, 615,900.68 and 242,355.56 is: 334,449.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,306.28 : 615,900.68 = 242,355.56 : x
  2. Step 2: Convert to fraction form
    446,306.28/615,900.68 = 242,355.56/x
  3. Step 3: Cross multiply
    446,306.28x = 615,900.68 × 242,355.56
  4. Step 4: Simplify right side
    446,306.28x = 149,266,954,205.78
  5. Step 5: Solve for x
    x = 149,266,954,205.78/446,306.28
  6. Step 6: Final answer
    x = 334,449.59

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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.