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Finding the Fourth Proportional to 416,899.53, 622,298.32 and 358,112.97

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Solution

The fourth proportional to 416,899.53, 622,298.32 and 358,112.97 is: 534,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,899.53 : 622,298.32 = 358,112.97 : x
  2. Step 2: Convert to fraction form
    416,899.53/622,298.32 = 358,112.97/x
  3. Step 3: Cross multiply
    416,899.53x = 622,298.32 × 358,112.97
  4. Step 4: Simplify right side
    416,899.53x = 222,853,097,810.65
  5. Step 5: Solve for x
    x = 222,853,097,810.65/416,899.53
  6. Step 6: Final answer
    x = 534,548.69

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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.