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Finding the Fourth Proportional to 307,565.56, 424,482.86 and 180,291.96

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Solution

The fourth proportional to 307,565.56, 424,482.86 and 180,291.96 is: 248,827.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,565.56 : 424,482.86 = 180,291.96 : x
  2. Step 2: Convert to fraction form
    307,565.56/424,482.86 = 180,291.96/x
  3. Step 3: Cross multiply
    307,565.56x = 424,482.86 × 180,291.96
  4. Step 4: Simplify right side
    307,565.56x = 76,530,846,815.81
  5. Step 5: Solve for x
    x = 76,530,846,815.81/307,565.56
  6. Step 6: Final answer
    x = 248,827.75

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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.