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Finding the Fourth Proportional to 261,507.67, 392,261.51 and 182,775.67

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Solution

The fourth proportional to 261,507.67, 392,261.51 and 182,775.67 is: 274,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,507.67 : 392,261.51 = 182,775.67 : x
  2. Step 2: Convert to fraction form
    261,507.67/392,261.51 = 182,775.67/x
  3. Step 3: Cross multiply
    261,507.67x = 392,261.51 × 182,775.67
  4. Step 4: Simplify right side
    261,507.67x = 71,695,860,305.46
  5. Step 5: Solve for x
    x = 71,695,860,305.46/261,507.67
  6. Step 6: Final answer
    x = 274,163.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.