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Finding the Fourth Proportional to 277,445.54, 382,733.79 and 168,520.89

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Solution

The fourth proportional to 277,445.54, 382,733.79 and 168,520.89 is: 232,473.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,445.54 : 382,733.79 = 168,520.89 : x
  2. Step 2: Convert to fraction form
    277,445.54/382,733.79 = 168,520.89/x
  3. Step 3: Cross multiply
    277,445.54x = 382,733.79 × 168,520.89
  4. Step 4: Simplify right side
    277,445.54x = 64,498,638,923.87
  5. Step 5: Solve for x
    x = 64,498,638,923.87/277,445.54
  6. Step 6: Final answer
    x = 232,473.15

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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.