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Finding the Fourth Proportional to 319,098.96, 440,361.36 and 183,155.04

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Solution

The fourth proportional to 319,098.96, 440,361.36 and 183,155.04 is: 252,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,098.96 : 440,361.36 = 183,155.04 : x
  2. Step 2: Convert to fraction form
    319,098.96/440,361.36 = 183,155.04/x
  3. Step 3: Cross multiply
    319,098.96x = 440,361.36 × 183,155.04
  4. Step 4: Simplify right side
    319,098.96x = 80,654,402,505.25
  5. Step 5: Solve for x
    x = 80,654,402,505.25/319,098.96
  6. Step 6: Final answer
    x = 252,756.71

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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.