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Finding the Fourth Proportional to 355,232.75, 532,490.00 and 152,960.76

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Solution

The fourth proportional to 355,232.75, 532,490.00 and 152,960.76 is: 229,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,232.75 : 532,490.00 = 152,960.76 : x
  2. Step 2: Convert to fraction form
    355,232.75/532,490.00 = 152,960.76/x
  3. Step 3: Cross multiply
    355,232.75x = 532,490.00 × 152,960.76
  4. Step 4: Simplify right side
    355,232.75x = 81,450,075,474.80
  5. Step 5: Solve for x
    x = 81,450,075,474.80/355,232.75
  6. Step 6: Final answer
    x = 229,286.51

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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.