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Finding the Fourth Proportional to 377,706.76, 521,216.58 and 207,937.24

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Solution

The fourth proportional to 377,706.76, 521,216.58 and 207,937.24 is: 286,943.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,706.76 : 521,216.58 = 207,937.24 : x
  2. Step 2: Convert to fraction form
    377,706.76/521,216.58 = 207,937.24/x
  3. Step 3: Cross multiply
    377,706.76x = 521,216.58 × 207,937.24
  4. Step 4: Simplify right side
    377,706.76x = 108,380,337,087.44
  5. Step 5: Solve for x
    x = 108,380,337,087.44/377,706.76
  6. Step 6: Final answer
    x = 286,943.07

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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.