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Finding the Fourth Proportional to 416,181.86, 624,365.67 and 163,486.82

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Solution

The fourth proportional to 416,181.86, 624,365.67 and 163,486.82 is: 245,266.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,181.86 : 624,365.67 = 163,486.82 : x
  2. Step 2: Convert to fraction form
    416,181.86/624,365.67 = 163,486.82/x
  3. Step 3: Cross multiply
    416,181.86x = 624,365.67 × 163,486.82
  4. Step 4: Simplify right side
    416,181.86x = 102,075,557,905.47
  5. Step 5: Solve for x
    x = 102,075,557,905.47/416,181.86
  6. Step 6: Final answer
    x = 245,266.72

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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.