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Finding the Fourth Proportional to 217,930.39, 300,779.62 and 181,574.17

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Solution

The fourth proportional to 217,930.39, 300,779.62 and 181,574.17 is: 250,602.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,930.39 : 300,779.62 = 181,574.17 : x
  2. Step 2: Convert to fraction form
    217,930.39/300,779.62 = 181,574.17/x
  3. Step 3: Cross multiply
    217,930.39x = 300,779.62 × 181,574.17
  4. Step 4: Simplify right side
    217,930.39x = 54,613,808,648.53
  5. Step 5: Solve for x
    x = 54,613,808,648.53/217,930.39
  6. Step 6: Final answer
    x = 250,602.08

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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.