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Finding the Fourth Proportional to 416,899.03, 622,297.57 and 358,112.47

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Solution

The fourth proportional to 416,899.03, 622,297.57 and 358,112.47 is: 534,547.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,899.03 : 622,297.57 = 358,112.47 : x
  2. Step 2: Convert to fraction form
    416,899.03/622,297.57 = 358,112.47/x
  3. Step 3: Cross multiply
    416,899.03x = 622,297.57 × 358,112.47
  4. Step 4: Simplify right side
    416,899.03x = 222,852,519,867.70
  5. Step 5: Solve for x
    x = 222,852,519,867.70/416,899.03
  6. Step 6: Final answer
    x = 534,547.95

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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.