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Finding the Fourth Proportional to 544,705.87, 751,641.33 and 315,217.57

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Solution

The fourth proportional to 544,705.87, 751,641.33 and 315,217.57 is: 434,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,705.87 : 751,641.33 = 315,217.57 : x
  2. Step 2: Convert to fraction form
    544,705.87/751,641.33 = 315,217.57/x
  3. Step 3: Cross multiply
    544,705.87x = 751,641.33 × 315,217.57
  4. Step 4: Simplify right side
    544,705.87x = 236,930,553,554.17
  5. Step 5: Solve for x
    x = 236,930,553,554.17/544,705.87
  6. Step 6: Final answer
    x = 434,969.71

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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.