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Finding the Fourth Proportional to 453,999.60, 680,840.40 and 134,066.19

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Solution

The fourth proportional to 453,999.60, 680,840.40 and 134,066.19 is: 201,052.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,999.60 : 680,840.40 = 134,066.19 : x
  2. Step 2: Convert to fraction form
    453,999.60/680,840.40 = 134,066.19/x
  3. Step 3: Cross multiply
    453,999.60x = 680,840.40 × 134,066.19
  4. Step 4: Simplify right side
    453,999.60x = 91,277,678,426.08
  5. Step 5: Solve for x
    x = 91,277,678,426.08/453,999.60
  6. Step 6: Final answer
    x = 201,052.33

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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.