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Finding the Fourth Proportional to 277,587.34, 383,042.13 and 161,282.68

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Solution

The fourth proportional to 277,587.34, 383,042.13 and 161,282.68 is: 222,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,587.34 : 383,042.13 = 161,282.68 : x
  2. Step 2: Convert to fraction form
    277,587.34/383,042.13 = 161,282.68/x
  3. Step 3: Cross multiply
    277,587.34x = 383,042.13 × 161,282.68
  4. Step 4: Simplify right side
    277,587.34x = 61,778,061,279.31
  5. Step 5: Solve for x
    x = 61,778,061,279.31/277,587.34
  6. Step 6: Final answer
    x = 222,553.60

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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.