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Finding the Fourth Proportional to 277,348.46, 382,768.74 and 169,989.84

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Solution

The fourth proportional to 277,348.46, 382,768.74 and 169,989.84 is: 234,603.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,348.46 : 382,768.74 = 169,989.84 : x
  2. Step 2: Convert to fraction form
    277,348.46/382,768.74 = 169,989.84/x
  3. Step 3: Cross multiply
    277,348.46x = 382,768.74 × 169,989.84
  4. Step 4: Simplify right side
    277,348.46x = 65,066,796,869.60
  5. Step 5: Solve for x
    x = 65,066,796,869.60/277,348.46
  6. Step 6: Final answer
    x = 234,603.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.