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Finding the Fourth Proportional to 416,888.32, 622,313.84 and 366,443.68

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Solution

The fourth proportional to 416,888.32, 622,313.84 and 366,443.68 is: 547,012.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,888.32 : 622,313.84 = 366,443.68 : x
  2. Step 2: Convert to fraction form
    416,888.32/622,313.84 = 366,443.68/x
  3. Step 3: Cross multiply
    416,888.32x = 622,313.84 × 366,443.68
  4. Step 4: Simplify right side
    416,888.32x = 228,042,973,644.53
  5. Step 5: Solve for x
    x = 228,042,973,644.53/416,888.32
  6. Step 6: Final answer
    x = 547,012.14

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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.