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Finding the Fourth Proportional to 525,311.07, 725,037.63 and 341,778.97

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Solution

The fourth proportional to 525,311.07, 725,037.63 and 341,778.97 is: 471,725.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,311.07 : 725,037.63 = 341,778.97 : x
  2. Step 2: Convert to fraction form
    525,311.07/725,037.63 = 341,778.97/x
  3. Step 3: Cross multiply
    525,311.07x = 725,037.63 × 341,778.97
  4. Step 4: Simplify right side
    525,311.07x = 247,802,614,392.64
  5. Step 5: Solve for x
    x = 247,802,614,392.64/525,311.07
  6. Step 6: Final answer
    x = 471,725.48

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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.