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Finding the Fourth Proportional to 492,367.17, 679,446.93 and 277,551.72

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Solution

The fourth proportional to 492,367.17, 679,446.93 and 277,551.72 is: 383,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,367.17 : 679,446.93 = 277,551.72 : x
  2. Step 2: Convert to fraction form
    492,367.17/679,446.93 = 277,551.72/x
  3. Step 3: Cross multiply
    492,367.17x = 679,446.93 × 277,551.72
  4. Step 4: Simplify right side
    492,367.17x = 188,581,664,070.22
  5. Step 5: Solve for x
    x = 188,581,664,070.22/492,367.17
  6. Step 6: Final answer
    x = 383,010.23

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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.