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Finding the Fourth Proportional to 416,889.32, 622,315.33 and 366,444.68

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Solution

The fourth proportional to 416,889.32, 622,315.33 and 366,444.68 is: 547,013.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,889.32 : 622,315.33 = 366,444.68 : x
  2. Step 2: Convert to fraction form
    416,889.32/622,315.33 = 366,444.68/x
  3. Step 3: Cross multiply
    416,889.32x = 622,315.33 × 366,444.68
  4. Step 4: Simplify right side
    416,889.32x = 228,044,141,960.94
  5. Step 5: Solve for x
    x = 228,044,141,960.94/416,889.32
  6. Step 6: Final answer
    x = 547,013.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.