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Finding the Fourth Proportional to 282,653.30, 423,846.30 and 164,360.90

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Solution

The fourth proportional to 282,653.30, 423,846.30 and 164,360.90 is: 246,463.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,653.30 : 423,846.30 = 164,360.90 : x
  2. Step 2: Convert to fraction form
    282,653.30/423,846.30 = 164,360.90/x
  3. Step 3: Cross multiply
    282,653.30x = 423,846.30 × 164,360.90
  4. Step 4: Simplify right side
    282,653.30x = 69,663,759,329.67
  5. Step 5: Solve for x
    x = 69,663,759,329.67/282,653.30
  6. Step 6: Final answer
    x = 246,463.63

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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.