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Finding the Fourth Proportional to 304,555.96, 456,291.28 and 259,727.92

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Solution

The fourth proportional to 304,555.96, 456,291.28 and 259,727.92 is: 389,129.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,555.96 : 456,291.28 = 259,727.92 : x
  2. Step 2: Convert to fraction form
    304,555.96/456,291.28 = 259,727.92/x
  3. Step 3: Cross multiply
    304,555.96x = 456,291.28 × 259,727.92
  4. Step 4: Simplify right side
    304,555.96x = 118,511,585,068.54
  5. Step 5: Solve for x
    x = 118,511,585,068.54/304,555.96
  6. Step 6: Final answer
    x = 389,129.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.