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Finding the Fourth Proportional to 264,698.88, 365,328 and 193,315.20

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Solution

The fourth proportional to 264,698.88, 365,328 and 193,315.20 is: 266,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,698.88 : 365,328 = 193,315.20 : x
  2. Step 2: Convert to fraction form
    264,698.88/365,328 = 193,315.20/x
  3. Step 3: Cross multiply
    264,698.88x = 365,328 × 193,315.20
  4. Step 4: Simplify right side
    264,698.88x = 70,623,455,385.60
  5. Step 5: Solve for x
    x = 70,623,455,385.60/264,698.88
  6. Step 6: Final answer
    x = 266,806.78

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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.