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Finding the Fourth Proportional to 671,585.40, 926,757.72 and 365,654.07

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Solution

The fourth proportional to 671,585.40, 926,757.72 and 365,654.07 is: 504,586.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,585.40 : 926,757.72 = 365,654.07 : x
  2. Step 2: Convert to fraction form
    671,585.40/926,757.72 = 365,654.07/x
  3. Step 3: Cross multiply
    671,585.40x = 926,757.72 × 365,654.07
  4. Step 4: Simplify right side
    671,585.40x = 338,872,732,221.92
  5. Step 5: Solve for x
    x = 338,872,732,221.92/671,585.40
  6. Step 6: Final answer
    x = 504,586.21

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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.