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Finding the Fourth Proportional to 277,732.80, 383,324.40 and 163,036.80

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Solution

The fourth proportional to 277,732.80, 383,324.40 and 163,036.80 is: 225,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,732.80 : 383,324.40 = 163,036.80 : x
  2. Step 2: Convert to fraction form
    277,732.80/383,324.40 = 163,036.80/x
  3. Step 3: Cross multiply
    277,732.80x = 383,324.40 × 163,036.80
  4. Step 4: Simplify right side
    277,732.80x = 62,495,983,537.92
  5. Step 5: Solve for x
    x = 62,495,983,537.92/277,732.80
  6. Step 6: Final answer
    x = 225,021.98

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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.