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Finding the Fourth Proportional to 517,745, 775,495.69 and 250,947.38

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Solution

The fourth proportional to 517,745, 775,495.69 and 250,947.38 is: 375,877.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,745 : 775,495.69 = 250,947.38 : x
  2. Step 2: Convert to fraction form
    517,745/775,495.69 = 250,947.38/x
  3. Step 3: Cross multiply
    517,745x = 775,495.69 × 250,947.38
  4. Step 4: Simplify right side
    517,745x = 194,608,611,606.79
  5. Step 5: Solve for x
    x = 194,608,611,606.79/517,745
  6. Step 6: Final answer
    x = 375,877.34

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1.5x scale

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.