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Finding the Fourth Proportional to 416,402.40, 624,510.06 and 191,546.88

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Solution

The fourth proportional to 416,402.40, 624,510.06 and 191,546.88 is: 287,277.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,402.40 : 624,510.06 = 191,546.88 : x
  2. Step 2: Convert to fraction form
    416,402.40/624,510.06 = 191,546.88/x
  3. Step 3: Cross multiply
    416,402.40x = 624,510.06 × 191,546.88
  4. Step 4: Simplify right side
    416,402.40x = 119,622,953,521.61
  5. Step 5: Solve for x
    x = 119,622,953,521.61/416,402.40
  6. Step 6: Final answer
    x = 287,277.29

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