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Finding the Fourth Proportional to 416,365.94, 624,455.46 and 191,510.36

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Solution

The fourth proportional to 416,365.94, 624,455.46 and 191,510.36 is: 287,222.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,365.94 : 624,455.46 = 191,510.36 : x
  2. Step 2: Convert to fraction form
    416,365.94/624,455.46 = 191,510.36/x
  3. Step 3: Cross multiply
    416,365.94x = 624,455.46 × 191,510.36
  4. Step 4: Simplify right side
    416,365.94x = 119,589,689,948.57
  5. Step 5: Solve for x
    x = 119,589,689,948.57/416,365.94
  6. Step 6: Final answer
    x = 287,222.56

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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.