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Finding the Fourth Proportional to 416,435.07, 624,650.49 and 100,892.01

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Solution

The fourth proportional to 416,435.07, 624,650.49 and 100,892.01 is: 151,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,435.07 : 624,650.49 = 100,892.01 : x
  2. Step 2: Convert to fraction form
    416,435.07/624,650.49 = 100,892.01/x
  3. Step 3: Cross multiply
    416,435.07x = 624,650.49 × 100,892.01
  4. Step 4: Simplify right side
    416,435.07x = 63,022,243,483.58
  5. Step 5: Solve for x
    x = 63,022,243,483.58/416,435.07
  6. Step 6: Final answer
    x = 151,337.50

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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.