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Finding the Fourth Proportional to 446,305.37, 615,899.13 and 242,354.45

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Solution

The fourth proportional to 446,305.37, 615,899.13 and 242,354.45 is: 334,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,305.37 : 615,899.13 = 242,354.45 : x
  2. Step 2: Convert to fraction form
    446,305.37/615,899.13 = 242,354.45/x
  3. Step 3: Cross multiply
    446,305.37x = 615,899.13 × 242,354.45
  4. Step 4: Simplify right side
    446,305.37x = 149,265,891,827.13
  5. Step 5: Solve for x
    x = 149,265,891,827.13/446,305.37
  6. Step 6: Final answer
    x = 334,447.90

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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.