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Finding the Fourth Proportional to 416,889.82, 622,316.08 and 366,445.18

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Solution

The fourth proportional to 416,889.82, 622,316.08 and 366,445.18 is: 547,014.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,889.82 : 622,316.08 = 366,445.18 : x
  2. Step 2: Convert to fraction form
    416,889.82/622,316.08 = 366,445.18/x
  3. Step 3: Cross multiply
    416,889.82x = 622,316.08 × 366,445.18
  4. Step 4: Simplify right side
    416,889.82x = 228,044,727,952.49
  5. Step 5: Solve for x
    x = 228,044,727,952.49/416,889.82
  6. Step 6: Final answer
    x = 547,014.38

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Double scale
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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.