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Finding the Fourth Proportional to 446,191.80, 615,745.48 and 242,243

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Solution

The fourth proportional to 446,191.80, 615,745.48 and 242,243 is: 334,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,191.80 : 615,745.48 = 242,243 : x
  2. Step 2: Convert to fraction form
    446,191.80/615,745.48 = 242,243/x
  3. Step 3: Cross multiply
    446,191.80x = 615,745.48 × 242,243
  4. Step 4: Simplify right side
    446,191.80x = 149,160,032,311.64
  5. Step 5: Solve for x
    x = 149,160,032,311.64/446,191.80
  6. Step 6: Final answer
    x = 334,295.77

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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.