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Finding the Fourth Proportional to 329,730.32, 494,631.40 and 105,037.94

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Solution

The fourth proportional to 329,730.32, 494,631.40 and 105,037.94 is: 157,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,730.32 : 494,631.40 = 105,037.94 : x
  2. Step 2: Convert to fraction form
    329,730.32/494,631.40 = 105,037.94/x
  3. Step 3: Cross multiply
    329,730.32x = 494,631.40 × 105,037.94
  4. Step 4: Simplify right side
    329,730.32x = 51,955,063,315.32
  5. Step 5: Solve for x
    x = 51,955,063,315.32/329,730.32
  6. Step 6: Final answer
    x = 157,568.35

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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.