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Finding the Fourth Proportional to 492,101.34, 679,096.76 and 277,310.40

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Solution

The fourth proportional to 492,101.34, 679,096.76 and 277,310.40 is: 382,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,101.34 : 679,096.76 = 277,310.40 : x
  2. Step 2: Convert to fraction form
    492,101.34/679,096.76 = 277,310.40/x
  3. Step 3: Cross multiply
    492,101.34x = 679,096.76 × 277,310.40
  4. Step 4: Simplify right side
    492,101.34x = 188,320,594,154.30
  5. Step 5: Solve for x
    x = 188,320,594,154.30/492,101.34
  6. Step 6: Final answer
    x = 382,686.61

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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.