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Finding the Fourth Proportional to 671,699.64, 926,932.17 and 365,779.65

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Solution

The fourth proportional to 671,699.64, 926,932.17 and 365,779.65 is: 504,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,699.64 : 926,932.17 = 365,779.65 : x
  2. Step 2: Convert to fraction form
    671,699.64/926,932.17 = 365,779.65/x
  3. Step 3: Cross multiply
    671,699.64x = 926,932.17 × 365,779.65
  4. Step 4: Simplify right side
    671,699.64x = 339,052,924,716.34
  5. Step 5: Solve for x
    x = 339,052,924,716.34/671,699.64
  6. Step 6: Final answer
    x = 504,768.66

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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.