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Finding the Fourth Proportional to 479,901.36, 662,268.40 and 273,159.64

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Solution

The fourth proportional to 479,901.36, 662,268.40 and 273,159.64 is: 376,962.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,901.36 : 662,268.40 = 273,159.64 : x
  2. Step 2: Convert to fraction form
    479,901.36/662,268.40 = 273,159.64/x
  3. Step 3: Cross multiply
    479,901.36x = 662,268.40 × 273,159.64
  4. Step 4: Simplify right side
    479,901.36x = 180,904,997,727.38
  5. Step 5: Solve for x
    x = 180,904,997,727.38/479,901.36
  6. Step 6: Final answer
    x = 376,962.88

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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.