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Finding the Fourth Proportional to 277,338.48, 382,591.80 and 169,874.16

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Solution

The fourth proportional to 277,338.48, 382,591.80 and 169,874.16 is: 234,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,338.48 : 382,591.80 = 169,874.16 : x
  2. Step 2: Convert to fraction form
    277,338.48/382,591.80 = 169,874.16/x
  3. Step 3: Cross multiply
    277,338.48x = 382,591.80 × 169,874.16
  4. Step 4: Simplify right side
    277,338.48x = 64,992,460,647.89
  5. Step 5: Solve for x
    x = 64,992,460,647.89/277,338.48
  6. Step 6: Final answer
    x = 234,343.47

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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.