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Finding the Fourth Proportional to 362,892.70, 543,901.65 and 185,308.30

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Solution

The fourth proportional to 362,892.70, 543,901.65 and 185,308.30 is: 277,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,892.70 : 543,901.65 = 185,308.30 : x
  2. Step 2: Convert to fraction form
    362,892.70/543,901.65 = 185,308.30/x
  3. Step 3: Cross multiply
    362,892.70x = 543,901.65 × 185,308.30
  4. Step 4: Simplify right side
    362,892.70x = 100,789,490,128.70
  5. Step 5: Solve for x
    x = 100,789,490,128.70/362,892.70
  6. Step 6: Final answer
    x = 277,739.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.