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Finding the Fourth Proportional to 514,283.05, 771,475.33 and 177,279.33

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Solution

The fourth proportional to 514,283.05, 771,475.33 and 177,279.33 is: 265,936.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,283.05 : 771,475.33 = 177,279.33 : x
  2. Step 2: Convert to fraction form
    514,283.05/771,475.33 = 177,279.33/x
  3. Step 3: Cross multiply
    514,283.05x = 771,475.33 × 177,279.33
  4. Step 4: Simplify right side
    514,283.05x = 136,766,628,727.53
  5. Step 5: Solve for x
    x = 136,766,628,727.53/514,283.05
  6. Step 6: Final answer
    x = 265,936.49

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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.