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Finding the Fourth Proportional to 525,636.30, 725,393.04 and 296,195.70

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Solution

The fourth proportional to 525,636.30, 725,393.04 and 296,195.70 is: 408,758.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,636.30 : 725,393.04 = 296,195.70 : x
  2. Step 2: Convert to fraction form
    525,636.30/725,393.04 = 296,195.70/x
  3. Step 3: Cross multiply
    525,636.30x = 725,393.04 × 296,195.70
  4. Step 4: Simplify right side
    525,636.30x = 214,858,299,257.93
  5. Step 5: Solve for x
    x = 214,858,299,257.93/525,636.30
  6. Step 6: Final answer
    x = 408,758.49

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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.