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Finding the Fourth Proportional to 555,827.37, 766,758.86 and 351,534.84

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Solution

The fourth proportional to 555,827.37, 766,758.86 and 351,534.84 is: 484,939.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,827.37 : 766,758.86 = 351,534.84 : x
  2. Step 2: Convert to fraction form
    555,827.37/766,758.86 = 351,534.84/x
  3. Step 3: Cross multiply
    555,827.37x = 766,758.86 × 351,534.84
  4. Step 4: Simplify right side
    555,827.37x = 269,542,451,411.01
  5. Step 5: Solve for x
    x = 269,542,451,411.01/555,827.37
  6. Step 6: Final answer
    x = 484,939.15

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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.