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Finding the Fourth Proportional to 277,213.84, 382,554.58 and 156,354.74

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Solution

The fourth proportional to 277,213.84, 382,554.58 and 156,354.74 is: 215,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,213.84 : 382,554.58 = 156,354.74 : x
  2. Step 2: Convert to fraction form
    277,213.84/382,554.58 = 156,354.74/x
  3. Step 3: Cross multiply
    277,213.84x = 382,554.58 × 156,354.74
  4. Step 4: Simplify right side
    277,213.84x = 59,814,221,891.71
  5. Step 5: Solve for x
    x = 59,814,221,891.71/277,213.84
  6. Step 6: Final answer
    x = 215,769.25

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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.