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Finding the Fourth Proportional to 540,193.44, 745,454.70 and 298,476.48

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Solution

The fourth proportional to 540,193.44, 745,454.70 and 298,476.48 is: 411,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,193.44 : 745,454.70 = 298,476.48 : x
  2. Step 2: Convert to fraction form
    540,193.44/745,454.70 = 298,476.48/x
  3. Step 3: Cross multiply
    540,193.44x = 745,454.70 × 298,476.48
  4. Step 4: Simplify right side
    540,193.44x = 222,500,694,855.46
  5. Step 5: Solve for x
    x = 222,500,694,855.46/540,193.44
  6. Step 6: Final answer
    x = 411,890.78

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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.