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Finding the Fourth Proportional to 312,510.24, 468,787.23 and 154,696.32

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Solution

The fourth proportional to 312,510.24, 468,787.23 and 154,696.32 is: 232,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,510.24 : 468,787.23 = 154,696.32 : x
  2. Step 2: Convert to fraction form
    312,510.24/468,787.23 = 154,696.32/x
  3. Step 3: Cross multiply
    312,510.24x = 468,787.23 × 154,696.32
  4. Step 4: Simplify right side
    312,510.24x = 72,519,659,343.99
  5. Step 5: Solve for x
    x = 72,519,659,343.99/312,510.24
  6. Step 6: Final answer
    x = 232,055.31

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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.