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Finding the Fourth Proportional to 517,440.06, 776,163.51 and 180,479.46

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Solution

The fourth proportional to 517,440.06, 776,163.51 and 180,479.46 is: 270,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,440.06 : 776,163.51 = 180,479.46 : x
  2. Step 2: Convert to fraction form
    517,440.06/776,163.51 = 180,479.46/x
  3. Step 3: Cross multiply
    517,440.06x = 776,163.51 × 180,479.46
  4. Step 4: Simplify right side
    517,440.06x = 140,081,571,156.51
  5. Step 5: Solve for x
    x = 140,081,571,156.51/517,440.06
  6. Step 6: Final answer
    x = 270,720.38

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Similar ratio
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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.