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Finding the Fourth Proportional to 416,900.53, 622,299.81 and 358,113.97

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Solution

The fourth proportional to 416,900.53, 622,299.81 and 358,113.97 is: 534,550.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,900.53 : 622,299.81 = 358,113.97 : x
  2. Step 2: Convert to fraction form
    416,900.53/622,299.81 = 358,113.97/x
  3. Step 3: Cross multiply
    416,900.53x = 622,299.81 × 358,113.97
  4. Step 4: Simplify right side
    416,900.53x = 222,854,255,489.35
  5. Step 5: Solve for x
    x = 222,854,255,489.35/416,900.53
  6. Step 6: Final answer
    x = 534,550.19

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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.