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Finding the Fourth Proportional to 544,701.87, 751,635.81 and 315,213.57

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Solution

The fourth proportional to 544,701.87, 751,635.81 and 315,213.57 is: 434,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,701.87 : 751,635.81 = 315,213.57 : x
  2. Step 2: Convert to fraction form
    544,701.87/751,635.81 = 315,213.57/x
  3. Step 3: Cross multiply
    544,701.87x = 751,635.81 × 315,213.57
  4. Step 4: Simplify right side
    544,701.87x = 236,925,807,009.94
  5. Step 5: Solve for x
    x = 236,925,807,009.94/544,701.87
  6. Step 6: Final answer
    x = 434,964.19

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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.