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Finding the Fourth Proportional to 283,937.67, 391,036.70 and 277,737.53

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Solution

The fourth proportional to 283,937.67, 391,036.70 and 277,737.53 is: 382,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,937.67 : 391,036.70 = 277,737.53 : x
  2. Step 2: Convert to fraction form
    283,937.67/391,036.70 = 277,737.53/x
  3. Step 3: Cross multiply
    283,937.67x = 391,036.70 × 277,737.53
  4. Step 4: Simplify right side
    283,937.67x = 108,605,565,936.51
  5. Step 5: Solve for x
    x = 108,605,565,936.51/283,937.67
  6. Step 6: Final answer
    x = 382,497.91

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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.