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Finding the Fourth Proportional to 329,708.40, 494,562.60 and 277,868.40

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Solution

The fourth proportional to 329,708.40, 494,562.60 and 277,868.40 is: 416,802.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,708.40 : 494,562.60 = 277,868.40 : x
  2. Step 2: Convert to fraction form
    329,708.40/494,562.60 = 277,868.40/x
  3. Step 3: Cross multiply
    329,708.40x = 494,562.60 × 277,868.40
  4. Step 4: Simplify right side
    329,708.40x = 137,423,318,361.84
  5. Step 5: Solve for x
    x = 137,423,318,361.84/329,708.40
  6. Step 6: Final answer
    x = 416,802.60

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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.