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Finding the Fourth Proportional to 399,996.48, 552,134.04 and 230,298.24

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Solution

The fourth proportional to 399,996.48, 552,134.04 and 230,298.24 is: 317,891.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,996.48 : 552,134.04 = 230,298.24 : x
  2. Step 2: Convert to fraction form
    399,996.48/552,134.04 = 230,298.24/x
  3. Step 3: Cross multiply
    399,996.48x = 552,134.04 × 230,298.24
  4. Step 4: Simplify right side
    399,996.48x = 127,155,497,656.09
  5. Step 5: Solve for x
    x = 127,155,497,656.09/399,996.48
  6. Step 6: Final answer
    x = 317,891.54

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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.