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Finding the Fourth Proportional to 446,205, 615,759.43 and 242,251.83

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Solution

The fourth proportional to 446,205, 615,759.43 and 242,251.83 is: 334,305.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,205 : 615,759.43 = 242,251.83 : x
  2. Step 2: Convert to fraction form
    446,205/615,759.43 = 242,251.83/x
  3. Step 3: Cross multiply
    446,205x = 615,759.43 × 242,251.83
  4. Step 4: Simplify right side
    446,205x = 149,168,848,757.26
  5. Step 5: Solve for x
    x = 149,168,848,757.26/446,205
  6. Step 6: Final answer
    x = 334,305.64

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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.