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Finding the Fourth Proportional to 304,847.44, 420,693.69 and 175,783.66

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Solution

The fourth proportional to 304,847.44, 420,693.69 and 175,783.66 is: 242,583.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,847.44 : 420,693.69 = 175,783.66 : x
  2. Step 2: Convert to fraction form
    304,847.44/420,693.69 = 175,783.66/x
  3. Step 3: Cross multiply
    304,847.44x = 420,693.69 × 175,783.66
  4. Step 4: Simplify right side
    304,847.44x = 73,951,076,567.11
  5. Step 5: Solve for x
    x = 73,951,076,567.11/304,847.44
  6. Step 6: Final answer
    x = 242,583.89

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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.