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Finding the Fourth Proportional to 440,544.43, 607,419.43 and 372,441.25

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Solution

The fourth proportional to 440,544.43, 607,419.43 and 372,441.25 is: 513,519.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,544.43 : 607,419.43 = 372,441.25 : x
  2. Step 2: Convert to fraction form
    440,544.43/607,419.43 = 372,441.25/x
  3. Step 3: Cross multiply
    440,544.43x = 607,419.43 × 372,441.25
  4. Step 4: Simplify right side
    440,544.43x = 226,228,051,783.49
  5. Step 5: Solve for x
    x = 226,228,051,783.49/440,544.43
  6. Step 6: Final answer
    x = 513,519.26

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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.