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Finding the Fourth Proportional to 417,936.58, 627,010.98 and 193,458.94

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Solution

The fourth proportional to 417,936.58, 627,010.98 and 193,458.94 is: 290,237.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,936.58 : 627,010.98 = 193,458.94 : x
  2. Step 2: Convert to fraction form
    417,936.58/627,010.98 = 193,458.94/x
  3. Step 3: Cross multiply
    417,936.58x = 627,010.98 × 193,458.94
  4. Step 4: Simplify right side
    417,936.58x = 121,300,879,559.16
  5. Step 5: Solve for x
    x = 121,300,879,559.16/417,936.58
  6. Step 6: Final answer
    x = 290,237.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.