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Finding the Fourth Proportional to 545,842.44, 753,251.22 and 304,124.04

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Solution

The fourth proportional to 545,842.44, 753,251.22 and 304,124.04 is: 419,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,842.44 : 753,251.22 = 304,124.04 : x
  2. Step 2: Convert to fraction form
    545,842.44/753,251.22 = 304,124.04/x
  3. Step 3: Cross multiply
    545,842.44x = 753,251.22 × 304,124.04
  4. Step 4: Simplify right side
    545,842.44x = 229,081,804,161.33
  5. Step 5: Solve for x
    x = 229,081,804,161.33/545,842.44
  6. Step 6: Final answer
    x = 419,684.85

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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.