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Finding the Fourth Proportional to 404,080.74, 557,507.79 and 234,280.98

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Solution

The fourth proportional to 404,080.74, 557,507.79 and 234,280.98 is: 323,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,080.74 : 557,507.79 = 234,280.98 : x
  2. Step 2: Convert to fraction form
    404,080.74/557,507.79 = 234,280.98/x
  3. Step 3: Cross multiply
    404,080.74x = 557,507.79 × 234,280.98
  4. Step 4: Simplify right side
    404,080.74x = 130,613,471,398.83
  5. Step 5: Solve for x
    x = 130,613,471,398.83/404,080.74
  6. Step 6: Final answer
    x = 323,236.07

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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.