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Finding the Fourth Proportional to 607,568.80, 910,478.40 and 270,333.40

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Solution

The fourth proportional to 607,568.80, 910,478.40 and 270,333.40 is: 405,110.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,568.80 : 910,478.40 = 270,333.40 : x
  2. Step 2: Convert to fraction form
    607,568.80/910,478.40 = 270,333.40/x
  3. Step 3: Cross multiply
    607,568.80x = 910,478.40 × 270,333.40
  4. Step 4: Simplify right side
    607,568.80x = 246,132,721,498.56
  5. Step 5: Solve for x
    x = 246,132,721,498.56/607,568.80
  6. Step 6: Final answer
    x = 405,110.86

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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.