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Finding the Fourth Proportional to 416,970.84, 624,953.28 and 192,023.28

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Solution

The fourth proportional to 416,970.84, 624,953.28 and 192,023.28 is: 287,803.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,970.84 : 624,953.28 = 192,023.28 : x
  2. Step 2: Convert to fraction form
    416,970.84/624,953.28 = 192,023.28/x
  3. Step 3: Cross multiply
    416,970.84x = 624,953.28 × 192,023.28
  4. Step 4: Simplify right side
    416,970.84x = 120,005,578,672.36
  5. Step 5: Solve for x
    x = 120,005,578,672.36/416,970.84
  6. Step 6: Final answer
    x = 287,803.29

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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.